diff --git a/src/main/java/alfio/manager/system/ConfigurationManager.java b/src/main/java/alfio/manager/system/ConfigurationManager.java
index 2379c1021a..a69c924b83 100644
--- a/src/main/java/alfio/manager/system/ConfigurationManager.java
+++ b/src/main/java/alfio/manager/system/ConfigurationManager.java
@@ -214,7 +214,7 @@ public Map<ConfigurationKeys.SettingCategory, List<Configuration>> loadOrganizat
         if(!userManager.isOwnerOfOrganization(user, organizationId)) {
             return Collections.emptyMap();
         }
-        Map<ConfigurationKeys.SettingCategory, List<Configuration>> existing = configurationRepository.findOrganizationConfiguration(organizationId).stream().collect(groupByCategory());
+        Map<ConfigurationKeys.SettingCategory, List<Configuration>> existing = configurationRepository.findOrganizationConfiguration(organizationId).stream().sorted().collect(groupByCategory());
         return groupByCategory(ORGANIZATION_CONFIGURATION, existing);
     }
 
@@ -225,7 +225,7 @@ public Map<ConfigurationKeys.SettingCategory, List<Configuration>> loadEventConf
         if(!userManager.isOwnerOfOrganization(user, organizationId)) {
             return Collections.emptyMap();
         }
-        Map<ConfigurationKeys.SettingCategory, List<Configuration>> existing = configurationRepository.findEventConfiguration(organizationId, eventId).stream().collect(groupByCategory());
+        Map<ConfigurationKeys.SettingCategory, List<Configuration>> existing = configurationRepository.findEventConfiguration(organizationId, eventId).stream().sorted().collect(groupByCategory());
         return groupByCategory(EVENT_CONFIGURATION, existing);
     }
 
@@ -236,14 +236,14 @@ public Map<ConfigurationKeys.SettingCategory, List<Configuration>> loadCategoryC
         if(!userManager.isOwnerOfOrganization(user, organizationId)) {
             return Collections.emptyMap();
         }
-        Map<ConfigurationKeys.SettingCategory, List<Configuration>> existing = configurationRepository.findCategoryConfiguration(organizationId, eventId, categoryId).stream().collect(groupByCategory());
+        Map<ConfigurationKeys.SettingCategory, List<Configuration>> existing = configurationRepository.findCategoryConfiguration(organizationId, eventId, categoryId).stream().sorted().collect(groupByCategory());
         return groupByCategory(EVENT_CONFIGURATION, existing);
     }
 
     private Map<ConfigurationKeys.SettingCategory, List<Configuration>> groupByCategory(Map<ConfigurationKeys.SettingCategory, List<Configuration>> all, Map<ConfigurationKeys.SettingCategory, List<Configuration>> existing) {
         return all.entrySet().stream()
             .map(e -> {
-                Set<Configuration> entries = new LinkedHashSet<>();
+                Set<Configuration> entries = new TreeSet<>();
                 ConfigurationKeys.SettingCategory key = e.getKey();
                 entries.addAll(e.getValue());
                 if(existing.containsKey(key)) {
@@ -270,7 +270,7 @@ public Map<ConfigurationKeys.SettingCategory, List<Configuration>> loadAllSystem
                 .collect(Collectors.toList());
         List<Configuration> result = new LinkedList<>(existing);
         result.addAll(missing);
-        return result.stream().collect(groupByCategory());
+        return result.stream().sorted().collect(groupByCategory());
     }
 
     private static Collector<Configuration, ?, Map<ConfigurationKeys.SettingCategory, List<Configuration>>> groupByCategory() {
@@ -301,6 +301,7 @@ private static Map<ConfigurationKeys.SettingCategory, List<Configuration>> colle
         return ConfigurationKeys.byPathLevel(pathLevel)
             .stream()
             .map(mapEmptyKeys(pathLevel))
+            .sorted()
             .collect(groupByCategory());
     }
 }
diff --git a/src/main/java/alfio/model/system/Configuration.java b/src/main/java/alfio/model/system/Configuration.java
index 27cfc5c0d2..1001082799 100644
--- a/src/main/java/alfio/model/system/Configuration.java
+++ b/src/main/java/alfio/model/system/Configuration.java
@@ -22,11 +22,12 @@
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import org.apache.commons.lang3.Validate;
+import org.apache.commons.lang3.builder.CompareToBuilder;
 import org.apache.commons.lang3.builder.EqualsBuilder;
 import org.apache.commons.lang3.builder.HashCodeBuilder;
 
 @Getter
-public class Configuration {
+public class Configuration implements Comparable<Configuration> {
 
     private final int id;
     private final String key;
@@ -55,6 +56,30 @@ public ComponentType getComponentType() {
         return configurationKey.getComponentType();
     }
 
+    @Override
+    public int compareTo(Configuration o) {
+        return new CompareToBuilder().append(configurationKey.ordinal(), o.configurationKey.ordinal()).toComparison();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == null) {
+            return false;
+        }
+        if (obj == this) {
+            return true;
+        }
+        if (obj.getClass() != getClass()) {
+            return false;
+        }
+        Configuration o = (Configuration) obj;
+        return new EqualsBuilder().append(configurationKey, o.configurationKey).append(configurationPathLevel, configurationPathLevel).isEquals();
+    }
+
+    @Override
+    public int hashCode() {
+        return new HashCodeBuilder().append(configurationKey).append(configurationPathLevel).toHashCode();
+    }
 
     public interface ConfigurationPath {
         ConfigurationPathLevel pathLevel();
@@ -336,25 +361,4 @@ public static ConfigurationPathKey waitingQueueReservationTimeout(Event event) {
         return new ConfigurationPathKey(event(event), ConfigurationKeys.WAITING_QUEUE_RESERVATION_TIMEOUT);
     }
 
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-
-        if (o == null || getClass() != o.getClass()) return false;
-
-        Configuration that = (Configuration) o;
-
-        return new EqualsBuilder()
-            .append(key, that.key)
-            .append(configurationKey, that.configurationKey)
-            .isEquals();
-    }
-
-    @Override
-    public int hashCode() {
-        return new HashCodeBuilder(17, 37)
-            .append(key)
-            .append(configurationKey)
-            .toHashCode();
-    }
 }
diff --git a/src/main/java/alfio/repository/plugin/PluginConfigurationRepository.java b/src/main/java/alfio/repository/plugin/PluginConfigurationRepository.java
index 940c2f5d6e..096671ebd8 100644
--- a/src/main/java/alfio/repository/plugin/PluginConfigurationRepository.java
+++ b/src/main/java/alfio/repository/plugin/PluginConfigurationRepository.java
@@ -43,7 +43,7 @@ public interface PluginConfigurationRepository {
     @Query("update plugin_configuration set conf_value = :value where plugin_id = :pluginId and event_id = :eventId and conf_name = :name")
     int update(@Bind("pluginId") String pluginId, @Bind("eventId") int eventId, @Bind("name") String name, @Bind("value") String value);
 
-    @Query("select * from plugin_configuration where event_id = :eventId")
+    @Query("select * from plugin_configuration where event_id = :eventId order by id")
     List<PluginConfigOption> loadByEventId(@Bind("eventId") int eventId);
 
 }
diff --git a/src/main/webapp/resources/js/admin/feature/configuration/configuration.js b/src/main/webapp/resources/js/admin/feature/configuration/configuration.js
index f043342e00..9118d2a92f 100644
--- a/src/main/webapp/resources/js/admin/feature/configuration/configuration.js
+++ b/src/main/webapp/resources/js/admin/feature/configuration/configuration.js
@@ -221,7 +221,7 @@
                 return;
             }
             eventConf.loading = true;
-            ConfigurationService.updateEventConfig(eventConf.organizationId, eventConf.eventId, eventConf.settings).then(function() {
+            $q.all([ConfigurationService.updateEventConfig(eventConf.organizationId, eventConf.eventId, eventConf.settings), ConfigurationService.bulkUpdatePlugins(eventConf.eventId, eventConf.pluginSettings)]).then(function() {
                 load();
             }, function(e) {
                 alert(e.data);