diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5207937..16c2f7f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [v1.0.3](https://github.com/brainly/terraform-provider-redshift/tree/v1.0.3) (2022-11-15)
+
+[Full Changelog](https://github.com/brainly/terraform-provider-redshift/compare/v1.0.2...v1.0.3)
+
+**Fixed bugs:**
+
+- Fix non-idempotent reapplying grants for entities with ascii chars 33-126 in their names ([rg00d](https://github.com/rg00d))
+
 ## [v1.0.2](https://github.com/brainly/terraform-provider-redshift/tree/v1.0.2) (2022-09-02)
 
 [Full Changelog](https://github.com/brainly/terraform-provider-redshift/compare/v1.0.1...v1.0.2)
diff --git a/redshift/resource_redshift_grant.go b/redshift/resource_redshift_grant.go
index 0ede967..3165070 100644
--- a/redshift/resource_redshift_grant.go
+++ b/redshift/resource_redshift_grant.go
@@ -210,8 +210,8 @@ func readDatabaseGrants(db *DBConnection, d *schema.ResourceData) error {
 		entityName = d.Get(grantUserAttr).(string)
 		query = `
   SELECT
-    decode(charindex('C',split_part(split_part(regexp_replace(array_to_string(db.datacl, '|'),'group '||u.usename,'__avoidGroupPrivs__'), u.usename||'=', 2) ,'/',1)), 0,0,1) as create,
-    decode(charindex('T',split_part(split_part(regexp_replace(array_to_string(db.datacl, '|'),'group '||u.usename,'__avoidGroupPrivs__'), u.usename||'=', 2) ,'/',1)), 0,0,1) as temporary
+    decode(charindex('C',split_part(split_part(replace(regexp_replace(array_to_string(db.datacl, '|'),'group '||u.usename,'__avoidGroupPrivs__'), '"', ''), u.usename||'=', 2) ,'/',1)), 0,0,1) as create,
+    decode(charindex('T',split_part(split_part(replace(regexp_replace(array_to_string(db.datacl, '|'),'group '||u.usename,'__avoidGroupPrivs__'), '"', ''), u.usename||'=', 2) ,'/',1)), 0,0,1) as temporary
   FROM pg_database db, pg_user u
   WHERE
     db.datname=$1 
@@ -221,8 +221,8 @@ func readDatabaseGrants(db *DBConnection, d *schema.ResourceData) error {
 		entityName = d.Get(grantGroupAttr).(string)
 		query = `
   SELECT
-    decode(charindex('C',split_part(split_part(array_to_string(db.datacl, '|'),'group ' || gr.groname,2 ) ,'/',1)), 0,0,1) as create,
-    decode(charindex('T',split_part(split_part(array_to_string(db.datacl, '|'),'group ' || gr.groname,2 ) ,'/',1)), 0,0,1) as temporary
+    decode(charindex('C',split_part(split_part(replace(array_to_string(db.datacl, '|'), '"', ''),'group ' || gr.groname,2 ) ,'/',1)), 0,0,1) as create,
+    decode(charindex('T',split_part(split_part(replace(array_to_string(db.datacl, '|'), '"', ''),'group ' || gr.groname,2 ) ,'/',1)), 0,0,1) as temporary
   FROM pg_database db, pg_group gr
   WHERE
     db.datname=$1 
@@ -256,8 +256,8 @@ func readSchemaGrants(db *DBConnection, d *schema.ResourceData) error {
 		entityName = d.Get(grantUserAttr).(string)
 		query = `
   SELECT
-    decode(charindex('C',split_part(split_part(regexp_replace(array_to_string(ns.nspacl, '|'),'group '||u.usename,'__avoidGroupPrivs__'), u.usename||'=', 2) ,'/',1)), 0,0,1) as create,
-    decode(charindex('U',split_part(split_part(regexp_replace(array_to_string(ns.nspacl, '|'),'group '||u.usename,'__avoidGroupPrivs__'), u.usename||'=', 2) ,'/',1)), 0,0,1) as usage
+    decode(charindex('C',split_part(split_part(replace(regexp_replace(array_to_string(ns.nspacl, '|'),'group '||u.usename,'__avoidGroupPrivs__'), '"', ''), u.usename||'=', 2) ,'/',1)), 0,0,1) as create,
+    decode(charindex('U',split_part(split_part(replace(regexp_replace(array_to_string(ns.nspacl, '|'),'group '||u.usename,'__avoidGroupPrivs__'), '"', ''), u.usename||'=', 2) ,'/',1)), 0,0,1) as usage
   FROM pg_namespace ns, pg_user u
   WHERE
     ns.nspname=$1 
@@ -267,8 +267,8 @@ func readSchemaGrants(db *DBConnection, d *schema.ResourceData) error {
 		entityName = d.Get(grantGroupAttr).(string)
 		query = `
   SELECT
-    decode(charindex('C',split_part(split_part(array_to_string(ns.nspacl, '|'),'group ' || gr.groname || '=',2 ) ,'/',1)), 0,0,1) as create,
-    decode(charindex('U',split_part(split_part(array_to_string(ns.nspacl, '|'),'group ' || gr.groname || '=',2 ) ,'/',1)), 0,0,1) as usage
+    decode(charindex('C',split_part(split_part(replace(array_to_string(ns.nspacl, '|'), '"', ''),'group ' || gr.groname || '=',2 ) ,'/',1)), 0,0,1) as create,
+    decode(charindex('U',split_part(split_part(replace(array_to_string(ns.nspacl, '|'), '"', ''),'group ' || gr.groname || '=',2 ) ,'/',1)), 0,0,1) as usage
   FROM pg_namespace ns, pg_group gr
   WHERE
     ns.nspname=$1 
@@ -300,14 +300,14 @@ func readTableGrants(db *DBConnection, d *schema.ResourceData) error {
 		query = `
   SELECT
     relname,
-    decode(charindex('r',split_part(split_part(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as select,
-    decode(charindex('w',split_part(split_part(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as update,
-    decode(charindex('a',split_part(split_part(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as insert,
-    decode(charindex('d',split_part(split_part(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as delete,
-    decode(charindex('D',split_part(split_part(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as drop,
-    decode(charindex('x',split_part(split_part(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as references,
-    decode(charindex('R',split_part(split_part(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as rule,
-    decode(charindex('t',split_part(split_part(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as trigger
+    decode(charindex('r',split_part(split_part(replace(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), '"', ''), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as select,
+    decode(charindex('w',split_part(split_part(replace(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), '"', ''), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as update,
+    decode(charindex('a',split_part(split_part(replace(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), '"', ''), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as insert,
+    decode(charindex('d',split_part(split_part(replace(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), '"', ''), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as delete,
+    decode(charindex('D',split_part(split_part(replace(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), '"', ''), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as drop,
+    decode(charindex('x',split_part(split_part(replace(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), '"', ''), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as references,
+    decode(charindex('R',split_part(split_part(replace(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), '"', ''), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as rule,
+    decode(charindex('t',split_part(split_part(replace(regexp_replace(array_to_string(relacl, '|'),'group '||u.usename), '"', ''), u.usename||'=', 2) ,'/',1)),null,0,0,0,1) as trigger
   FROM pg_user u, pg_class cl
   JOIN pg_namespace nsp ON nsp.oid = cl.relnamespace
   WHERE
@@ -320,14 +320,14 @@ func readTableGrants(db *DBConnection, d *schema.ResourceData) error {
 		query = `
   SELECT
     relname,
-    decode(charindex('r',split_part(split_part(array_to_string(relacl, '|'),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as select,
-    decode(charindex('w',split_part(split_part(array_to_string(relacl, '|'),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as update,
-    decode(charindex('a',split_part(split_part(array_to_string(relacl, '|'),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as insert,
-    decode(charindex('d',split_part(split_part(array_to_string(relacl, '|'),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as delete,
-    decode(charindex('D',split_part(split_part(array_to_string(relacl, '|'),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as drop,
-    decode(charindex('x',split_part(split_part(array_to_string(relacl, '|'),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as references,
-    decode(charindex('R',split_part(split_part(array_to_string(relacl, '|'),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as rule,
-    decode(charindex('t',split_part(split_part(array_to_string(relacl, '|'),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as trigger
+    decode(charindex('r',split_part(split_part(replace(array_to_string(relacl, '|'), '"', ''),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as select,
+    decode(charindex('w',split_part(split_part(replace(array_to_string(relacl, '|'), '"', ''),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as update,
+    decode(charindex('a',split_part(split_part(replace(array_to_string(relacl, '|'), '"', ''),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as insert,
+    decode(charindex('d',split_part(split_part(replace(array_to_string(relacl, '|'), '"', ''),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as delete,
+    decode(charindex('D',split_part(split_part(replace(array_to_string(relacl, '|'), '"', ''),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as drop,
+    decode(charindex('x',split_part(split_part(replace(array_to_string(relacl, '|'), '"', ''),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as references,
+    decode(charindex('R',split_part(split_part(replace(array_to_string(relacl, '|'), '"', ''),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as rule,
+    decode(charindex('t',split_part(split_part(replace(array_to_string(relacl, '|'), '"', ''),'group ' || gr.groname || '=',2 ) ,'/',1)), null,0, 0,0, 1) as trigger
   FROM pg_group gr, pg_class cl
   JOIN pg_namespace nsp ON nsp.oid = cl.relnamespace
   WHERE
@@ -404,7 +404,7 @@ func readCallableGrants(db *DBConnection, d *schema.ResourceData) error {
 		query = `
 	SELECT
 		proname,
-		decode(nvl(charindex('X',split_part(split_part(regexp_replace(array_to_string(pr.proacl, '|'),'group '||u.usename,'__avoidGroupPrivs__'), u.usename||'=', 2) ,'/',1)), 0), 0,0,1) as execute
+		decode(nvl(charindex('X',split_part(split_part(regexp_replace(replace(array_to_string(pr.proacl, '|'), '"', ''),'group '||u.usename,'__avoidGroupPrivs__'), u.usename||'=', 2) ,'/',1)), 0), 0,0,1) as execute
 	FROM pg_proc_info pr
 		JOIN pg_namespace nsp ON nsp.oid = pr.pronamespace,
 	pg_user u
@@ -418,7 +418,7 @@ func readCallableGrants(db *DBConnection, d *schema.ResourceData) error {
 		query = `
 	SELECT
 		proname,
-		decode(nvl(charindex('X',split_part(split_part(array_to_string(pr.proacl, '|'),'group ' || gr.groname,2 ) ,'/',1)), 0), 0,0,1) as execute
+		decode(nvl(charindex('X',split_part(split_part(replace(array_to_string(pr.proacl, '|'), '"', ''),'group ' || gr.groname,2 ) ,'/',1)), 0), 0,0,1) as execute
 	FROM pg_proc_info pr
 		JOIN pg_namespace nsp ON nsp.oid = pr.pronamespace,
 	pg_group gr
@@ -480,7 +480,7 @@ func readLanguageGrants(db *DBConnection, d *schema.ResourceData) error {
 		query = `
   SELECT
 		lanname,
-    decode(nvl(charindex('U',split_part(split_part(regexp_replace(array_to_string(lg.lanacl, '|'),'group '||u.usename,'__avoidGroupPrivs__'), u.usename||'=', 2) ,'/',1)), 0), 0,0,1) as usage
+    decode(nvl(charindex('U',split_part(split_part(regexp_replace(replace(array_to_string(lg.lanacl, '|'), '"', ''),'group '||u.usename,'__avoidGroupPrivs__'), u.usename||'=', 2) ,'/',1)), 0), 0,0,1) as usage
   FROM pg_language lg, pg_user u
   WHERE
     u.usename=$1
@@ -490,7 +490,7 @@ func readLanguageGrants(db *DBConnection, d *schema.ResourceData) error {
 		query = `
   SELECT
 		lanname,
-    decode(nvl(charindex('U',split_part(split_part(array_to_string(lg.lanacl, '|'),'group ' || gr.groname,2 ) ,'/',1)), 0), 0,0,1) as usage
+    decode(nvl(charindex('U',split_part(split_part(replace(array_to_string(lg.lanacl, '|'), '"', ''),'group ' || gr.groname,2 ) ,'/',1)), 0), 0,0,1) as usage
   FROM pg_language lg, pg_group gr
   WHERE
     gr.groname=$1