diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenProperty.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenProperty.java
index babaaa1727df..dddec1c620c6 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenProperty.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenProperty.java
@@ -243,6 +243,8 @@ public class CodegenProperty implements Cloneable, IJsonSchemaValidationProperti
     private boolean hasDiscriminatorWithNonEmptyMapping;
     private CodegenComposedSchemas composedSchemas = null;
     private boolean hasMultipleTypes = false;
+    /** true if the property's baseName != name, e.g. baseName = '_prop.value', name = 'propValue' after sanitization */
+    private boolean hasSanitizedName = false;
     private Map<String, CodegenProperty> requiredVarsMap;
     private String ref;
     private boolean schemaIsFromAdditionalProperties;
@@ -843,6 +845,12 @@ public void setHasMultipleTypes(boolean hasMultipleTypes) {
         this.hasMultipleTypes = hasMultipleTypes;
     }
 
+    public boolean getHasSanitizedName() {
+        return hasSanitizedName;
+    }
+
+    public void setHasSanitizedName(boolean hasSanitizedName) { this.hasSanitizedName = hasSanitizedName; }
+
     @Override
     public boolean getIsUuid() {
         return isUuid;
@@ -1061,6 +1069,7 @@ public String toString() {
         sb.append(", getHasDiscriminatorWithNonEmptyMapping=").append(hasDiscriminatorWithNonEmptyMapping);
         sb.append(", composedSchemas=").append(composedSchemas);
         sb.append(", hasMultipleTypes=").append(hasMultipleTypes);
+        sb.append(", hasSanitizedName=").append(hasSanitizedName);
         sb.append(", requiredVarsMap=").append(requiredVarsMap);
         sb.append(", ref=").append(ref);
         sb.append(", schemaIsFromAdditionalProperties=").append(schemaIsFromAdditionalProperties);
@@ -1129,6 +1138,7 @@ public boolean equals(Object o) {
                 isNull == that.isNull &&
                 isVoid == that.isVoid &&
                 hasMultipleTypes == that.getHasMultipleTypes() &&
+                hasSanitizedName == that.getHasSanitizedName() &&
                 hasDiscriminatorWithNonEmptyMapping == that.hasDiscriminatorWithNonEmptyMapping &&
                 isBooleanSchemaTrue == that.getIsBooleanSchemaTrue() &&
                 isBooleanSchemaFalse == that.getIsBooleanSchemaFalse() &&
@@ -1207,7 +1217,7 @@ public int hashCode() {
                 vendorExtensions, hasValidation, isInherited, discriminatorValue, nameInPascalCase, nameInCamelCase,
                 nameInSnakeCase, enumName, maxItems, minItems, isXmlAttribute, xmlPrefix, xmlName,
                 xmlNamespace, isXmlWrapped, isNull, isVoid, additionalPropertiesIsAnyType, hasVars, hasRequired,
-                hasDiscriminatorWithNonEmptyMapping, composedSchemas, hasMultipleTypes, requiredVarsMap,
+                hasDiscriminatorWithNonEmptyMapping, composedSchemas, hasMultipleTypes, hasSanitizedName, requiredVarsMap,
                 ref, uniqueItemsBoolean, schemaIsFromAdditionalProperties, isBooleanSchemaTrue, isBooleanSchemaFalse,
                 format, dependentRequired, contains);
     }
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java
index eaedf606cade..ba84064d4237 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java
@@ -3884,6 +3884,7 @@ public CodegenProperty fromProperty(String name, Schema p, boolean required, boo
 
         property.name = toVarName(name);
         property.baseName = name;
+        property.setHasSanitizedName(!property.baseName.equals(property.name));
         if (ModelUtils.getType(p) == null) {
             property.openApiType = getSchemaType(p);
         } else {
diff --git a/modules/openapi-generator/src/main/resources/typescript-angular/modelGeneric.mustache b/modules/openapi-generator/src/main/resources/typescript-angular/modelGeneric.mustache
index 232acaf3ea43..562a5e33eebe 100644
--- a/modules/openapi-generator/src/main/resources/typescript-angular/modelGeneric.mustache
+++ b/modules/openapi-generator/src/main/resources/typescript-angular/modelGeneric.mustache
@@ -13,6 +13,6 @@ export interface {{classname}}{{#allParents}}{{#-first}} extends {{/-first}}{{{.
     /** @deprecated */
     {{/deprecated}}
     {{/description}}
-    {{#isReadOnly}}readonly {{/isReadOnly}}{{{name}}}{{^required}}?{{/required}}: {{#isEnum}}{{{datatypeWithEnum}}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{/isEnum}}{{#isNullable}} | null{{/isNullable}};
+    {{#isReadOnly}}readonly {{/isReadOnly}}{{#hasSanitizedName}}'{{{baseName}}}'{{/hasSanitizedName}}{{^hasSanitizedName}}{{{name}}}{{/hasSanitizedName}}{{^required}}?{{/required}}: {{#isEnum}}{{{datatypeWithEnum}}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{/isEnum}}{{#isNullable}} | null{{/isNullable}};
 {{/vars}}
 }{{>modelGenericEnums}}
diff --git a/samples/server/petstore/java-undertow/src/main/java/org/openapitools/handler/PathHandlerInterface.java b/samples/server/petstore/java-undertow/src/main/java/org/openapitools/handler/PathHandlerInterface.java
index 2ee153910e22..bad7106ea5c8 100644
--- a/samples/server/petstore/java-undertow/src/main/java/org/openapitools/handler/PathHandlerInterface.java
+++ b/samples/server/petstore/java-undertow/src/main/java/org/openapitools/handler/PathHandlerInterface.java
@@ -577,13 +577,13 @@ public interface PathHandlerInterface {
      * <p><b>Response headers</b>: [CodegenProperty{openApiType='string', baseName='Set-Cookie', complexType='null', getter='getSetCookie', setter='setSetCookie', description='Cookie authentication key for use with the `api_key` apiKey authentication.', dataType='String', datatypeWithEnum='String', dataFormat='null', name='setCookie', min='null', max='null', defaultValue='null', defaultValueWithParam=' = data.Set-Cookie;', baseType='String', containerType='null', containerTypeMapped='null', title='null', unescapedDescription='Cookie authentication key for use with the `api_key` apiKey authentication.', maxLength=null, minLength=null, pattern='null', example='AUTH_KEY=abcde12345; Path=/; HttpOnly', jsonSchema='{
   "example" : "AUTH_KEY=abcde12345; Path=/; HttpOnly",
   "type" : "string"
-}', minimum='null', maximum='null', exclusiveMinimum=false, exclusiveMaximum=false, required=false, deprecated=false, hasMoreNonReadOnly=false, isPrimitiveType=true, isModel=false, isContainer=false, isString=true, isNumeric=false, isInteger=false, isShort=false, isLong=false, isUnboundedInteger=false, isNumber=false, isFloat=false, isDouble=false, isDecimal=false, isByteArray=false, isBinary=false, isFile=false, isBoolean=false, isDate=false, isDateTime=false, isUuid=false, isUri=false, isEmail=false, isPassword=false, isFreeFormObject=false, isArray=false, isMap=false, isOptional=false, isEnum=false, isInnerEnum=false, isEnumRef=false, isAnyType=false, isReadOnly=false, isWriteOnly=false, isNullable=false, isSelfReference=false, isCircularReference=false, isDiscriminator=false, isNew=false, isOverridden=null, _enum=null, allowableValues=null, items=null, additionalProperties=null, vars=[], requiredVars=[], mostInnerItems=null, vendorExtensions={}, hasValidation=false, isInherited=false, discriminatorValue='null', nameInCamelCase='setCookie', nameInPascalCase='SetCookie', nameInSnakeCase='SET_COOKIE', enumName='null', maxItems=null, minItems=null, maxProperties=null, minProperties=null, uniqueItems=false, uniqueItemsBoolean=null, multipleOf=null, isXmlAttribute=false, xmlPrefix='null', xmlName='null', xmlNamespace='null', isXmlWrapped=false, isNull=false, isVoid=false, getAdditionalPropertiesIsAnyType=false, getHasVars=false, getHasRequired=false, getHasDiscriminatorWithNonEmptyMapping=false, composedSchemas=null, hasMultipleTypes=false, requiredVarsMap=null, ref=null, schemaIsFromAdditionalProperties=false, isBooleanSchemaTrue=false, isBooleanSchemaFalse=false, format=null, dependentRequired=null, contains=null}, CodegenProperty{openApiType='integer', baseName='X-Rate-Limit', complexType='null', getter='getxRateLimit', setter='setxRateLimit', description='calls per hour allowed by the user', dataType='Integer', datatypeWithEnum='Integer', dataFormat='int32', name='xRateLimit', min='null', max='null', defaultValue='null', defaultValueWithParam=' = data.X-Rate-Limit;', baseType='Integer', containerType='null', containerTypeMapped='null', title='null', unescapedDescription='calls per hour allowed by the user', maxLength=null, minLength=null, pattern='null', example='null', jsonSchema='{
+}', minimum='null', maximum='null', exclusiveMinimum=false, exclusiveMaximum=false, required=false, deprecated=false, hasMoreNonReadOnly=false, isPrimitiveType=true, isModel=false, isContainer=false, isString=true, isNumeric=false, isInteger=false, isShort=false, isLong=false, isUnboundedInteger=false, isNumber=false, isFloat=false, isDouble=false, isDecimal=false, isByteArray=false, isBinary=false, isFile=false, isBoolean=false, isDate=false, isDateTime=false, isUuid=false, isUri=false, isEmail=false, isPassword=false, isFreeFormObject=false, isArray=false, isMap=false, isOptional=false, isEnum=false, isInnerEnum=false, isEnumRef=false, isAnyType=false, isReadOnly=false, isWriteOnly=false, isNullable=false, isSelfReference=false, isCircularReference=false, isDiscriminator=false, isNew=false, isOverridden=null, _enum=null, allowableValues=null, items=null, additionalProperties=null, vars=[], requiredVars=[], mostInnerItems=null, vendorExtensions={}, hasValidation=false, isInherited=false, discriminatorValue='null', nameInCamelCase='setCookie', nameInPascalCase='SetCookie', nameInSnakeCase='SET_COOKIE', enumName='null', maxItems=null, minItems=null, maxProperties=null, minProperties=null, uniqueItems=false, uniqueItemsBoolean=null, multipleOf=null, isXmlAttribute=false, xmlPrefix='null', xmlName='null', xmlNamespace='null', isXmlWrapped=false, isNull=false, isVoid=false, getAdditionalPropertiesIsAnyType=false, getHasVars=false, getHasRequired=false, getHasDiscriminatorWithNonEmptyMapping=false, composedSchemas=null, hasMultipleTypes=false, hasSanitizedName=true, requiredVarsMap=null, ref=null, schemaIsFromAdditionalProperties=false, isBooleanSchemaTrue=false, isBooleanSchemaFalse=false, format=null, dependentRequired=null, contains=null}, CodegenProperty{openApiType='integer', baseName='X-Rate-Limit', complexType='null', getter='getxRateLimit', setter='setxRateLimit', description='calls per hour allowed by the user', dataType='Integer', datatypeWithEnum='Integer', dataFormat='int32', name='xRateLimit', min='null', max='null', defaultValue='null', defaultValueWithParam=' = data.X-Rate-Limit;', baseType='Integer', containerType='null', containerTypeMapped='null', title='null', unescapedDescription='calls per hour allowed by the user', maxLength=null, minLength=null, pattern='null', example='null', jsonSchema='{
   "format" : "int32",
   "type" : "integer"
-}', minimum='null', maximum='null', exclusiveMinimum=false, exclusiveMaximum=false, required=false, deprecated=false, hasMoreNonReadOnly=false, isPrimitiveType=true, isModel=false, isContainer=false, isString=false, isNumeric=true, isInteger=true, isShort=true, isLong=false, isUnboundedInteger=false, isNumber=false, isFloat=false, isDouble=false, isDecimal=false, isByteArray=false, isBinary=false, isFile=false, isBoolean=false, isDate=false, isDateTime=false, isUuid=false, isUri=false, isEmail=false, isPassword=false, isFreeFormObject=false, isArray=false, isMap=false, isOptional=false, isEnum=false, isInnerEnum=false, isEnumRef=false, isAnyType=false, isReadOnly=false, isWriteOnly=false, isNullable=false, isSelfReference=false, isCircularReference=false, isDiscriminator=false, isNew=false, isOverridden=null, _enum=null, allowableValues=null, items=null, additionalProperties=null, vars=[], requiredVars=[], mostInnerItems=null, vendorExtensions={}, hasValidation=false, isInherited=false, discriminatorValue='null', nameInCamelCase='xRateLimit', nameInPascalCase='XRateLimit', nameInSnakeCase='X_RATE_LIMIT', enumName='null', maxItems=null, minItems=null, maxProperties=null, minProperties=null, uniqueItems=false, uniqueItemsBoolean=null, multipleOf=null, isXmlAttribute=false, xmlPrefix='null', xmlName='null', xmlNamespace='null', isXmlWrapped=false, isNull=false, isVoid=false, getAdditionalPropertiesIsAnyType=false, getHasVars=false, getHasRequired=false, getHasDiscriminatorWithNonEmptyMapping=false, composedSchemas=null, hasMultipleTypes=false, requiredVarsMap=null, ref=null, schemaIsFromAdditionalProperties=false, isBooleanSchemaTrue=false, isBooleanSchemaFalse=false, format=int32, dependentRequired=null, contains=null}, CodegenProperty{openApiType='string', baseName='X-Expires-After', complexType='Date', getter='getxExpiresAfter', setter='setxExpiresAfter', description='date in UTC when token expires', dataType='Date', datatypeWithEnum='Date', dataFormat='date-time', name='xExpiresAfter', min='null', max='null', defaultValue='null', defaultValueWithParam=' = data.X-Expires-After;', baseType='Date', containerType='null', containerTypeMapped='null', title='null', unescapedDescription='date in UTC when token expires', maxLength=null, minLength=null, pattern='null', example='null', jsonSchema='{
+}', minimum='null', maximum='null', exclusiveMinimum=false, exclusiveMaximum=false, required=false, deprecated=false, hasMoreNonReadOnly=false, isPrimitiveType=true, isModel=false, isContainer=false, isString=false, isNumeric=true, isInteger=true, isShort=true, isLong=false, isUnboundedInteger=false, isNumber=false, isFloat=false, isDouble=false, isDecimal=false, isByteArray=false, isBinary=false, isFile=false, isBoolean=false, isDate=false, isDateTime=false, isUuid=false, isUri=false, isEmail=false, isPassword=false, isFreeFormObject=false, isArray=false, isMap=false, isOptional=false, isEnum=false, isInnerEnum=false, isEnumRef=false, isAnyType=false, isReadOnly=false, isWriteOnly=false, isNullable=false, isSelfReference=false, isCircularReference=false, isDiscriminator=false, isNew=false, isOverridden=null, _enum=null, allowableValues=null, items=null, additionalProperties=null, vars=[], requiredVars=[], mostInnerItems=null, vendorExtensions={}, hasValidation=false, isInherited=false, discriminatorValue='null', nameInCamelCase='xRateLimit', nameInPascalCase='XRateLimit', nameInSnakeCase='X_RATE_LIMIT', enumName='null', maxItems=null, minItems=null, maxProperties=null, minProperties=null, uniqueItems=false, uniqueItemsBoolean=null, multipleOf=null, isXmlAttribute=false, xmlPrefix='null', xmlName='null', xmlNamespace='null', isXmlWrapped=false, isNull=false, isVoid=false, getAdditionalPropertiesIsAnyType=false, getHasVars=false, getHasRequired=false, getHasDiscriminatorWithNonEmptyMapping=false, composedSchemas=null, hasMultipleTypes=false, hasSanitizedName=true, requiredVarsMap=null, ref=null, schemaIsFromAdditionalProperties=false, isBooleanSchemaTrue=false, isBooleanSchemaFalse=false, format=int32, dependentRequired=null, contains=null}, CodegenProperty{openApiType='string', baseName='X-Expires-After', complexType='Date', getter='getxExpiresAfter', setter='setxExpiresAfter', description='date in UTC when token expires', dataType='Date', datatypeWithEnum='Date', dataFormat='date-time', name='xExpiresAfter', min='null', max='null', defaultValue='null', defaultValueWithParam=' = data.X-Expires-After;', baseType='Date', containerType='null', containerTypeMapped='null', title='null', unescapedDescription='date in UTC when token expires', maxLength=null, minLength=null, pattern='null', example='null', jsonSchema='{
   "format" : "date-time",
   "type" : "string"
-}', minimum='null', maximum='null', exclusiveMinimum=false, exclusiveMaximum=false, required=false, deprecated=false, hasMoreNonReadOnly=false, isPrimitiveType=false, isModel=false, isContainer=false, isString=false, isNumeric=false, isInteger=false, isShort=false, isLong=false, isUnboundedInteger=false, isNumber=false, isFloat=false, isDouble=false, isDecimal=false, isByteArray=false, isBinary=false, isFile=false, isBoolean=false, isDate=false, isDateTime=true, isUuid=false, isUri=false, isEmail=false, isPassword=false, isFreeFormObject=false, isArray=false, isMap=false, isOptional=false, isEnum=false, isInnerEnum=false, isEnumRef=false, isAnyType=false, isReadOnly=false, isWriteOnly=false, isNullable=false, isSelfReference=false, isCircularReference=false, isDiscriminator=false, isNew=false, isOverridden=null, _enum=null, allowableValues=null, items=null, additionalProperties=null, vars=[], requiredVars=[], mostInnerItems=null, vendorExtensions={}, hasValidation=false, isInherited=false, discriminatorValue='null', nameInCamelCase='xExpiresAfter', nameInPascalCase='XExpiresAfter', nameInSnakeCase='X_EXPIRES_AFTER', enumName='null', maxItems=null, minItems=null, maxProperties=null, minProperties=null, uniqueItems=false, uniqueItemsBoolean=null, multipleOf=null, isXmlAttribute=false, xmlPrefix='null', xmlName='null', xmlNamespace='null', isXmlWrapped=false, isNull=false, isVoid=false, getAdditionalPropertiesIsAnyType=false, getHasVars=false, getHasRequired=false, getHasDiscriminatorWithNonEmptyMapping=false, composedSchemas=null, hasMultipleTypes=false, requiredVarsMap=null, ref=null, schemaIsFromAdditionalProperties=false, isBooleanSchemaTrue=false, isBooleanSchemaFalse=false, format=date-time, dependentRequired=null, contains=null}]</p>
+}', minimum='null', maximum='null', exclusiveMinimum=false, exclusiveMaximum=false, required=false, deprecated=false, hasMoreNonReadOnly=false, isPrimitiveType=false, isModel=false, isContainer=false, isString=false, isNumeric=false, isInteger=false, isShort=false, isLong=false, isUnboundedInteger=false, isNumber=false, isFloat=false, isDouble=false, isDecimal=false, isByteArray=false, isBinary=false, isFile=false, isBoolean=false, isDate=false, isDateTime=true, isUuid=false, isUri=false, isEmail=false, isPassword=false, isFreeFormObject=false, isArray=false, isMap=false, isOptional=false, isEnum=false, isInnerEnum=false, isEnumRef=false, isAnyType=false, isReadOnly=false, isWriteOnly=false, isNullable=false, isSelfReference=false, isCircularReference=false, isDiscriminator=false, isNew=false, isOverridden=null, _enum=null, allowableValues=null, items=null, additionalProperties=null, vars=[], requiredVars=[], mostInnerItems=null, vendorExtensions={}, hasValidation=false, isInherited=false, discriminatorValue='null', nameInCamelCase='xExpiresAfter', nameInPascalCase='XExpiresAfter', nameInSnakeCase='X_EXPIRES_AFTER', enumName='null', maxItems=null, minItems=null, maxProperties=null, minProperties=null, uniqueItems=false, uniqueItemsBoolean=null, multipleOf=null, isXmlAttribute=false, xmlPrefix='null', xmlName='null', xmlNamespace='null', isXmlWrapped=false, isNull=false, isVoid=false, getAdditionalPropertiesIsAnyType=false, getHasVars=false, getHasRequired=false, getHasDiscriminatorWithNonEmptyMapping=false, composedSchemas=null, hasMultipleTypes=false, hasSanitizedName=true, requiredVarsMap=null, ref=null, schemaIsFromAdditionalProperties=false, isBooleanSchemaTrue=false, isBooleanSchemaFalse=false, format=date-time, dependentRequired=null, contains=null}]</p>
      *
      * <p><b>Produces</b>: [{isXml=true, mediaType=application/xml}, {isJson=true, mediaType=application/json}]</p>
      * <p><b>Returns</b>: {@link String}</p>