diff --git a/server/src/main/java/access/config/ApplicationConverter.java b/server/src/main/java/access/config/ApplicationConverter.java
index 4306790e..21655543 100644
--- a/server/src/main/java/access/config/ApplicationConverter.java
+++ b/server/src/main/java/access/config/ApplicationConverter.java
@@ -25,6 +25,7 @@ public String convertToDatabaseColumn(Set<Application> attribute) {
     @SuppressWarnings("unchecked")
     public Set<Application> convertToEntityAttribute(String dbData) {
         Set<Map<String, String>> set = objectMapper.readValue(dbData, Set.class);
-        return set.stream().map(m -> new Application(m.get("manageId"), EntityType.valueOf(m.get("manageType")))).collect(Collectors.toSet());
+        return set.stream().map(m -> new Application(m.get("manageId"), EntityType.valueOf(m.get("manageType"))))
+                .collect(Collectors.toSet());
     }
 }
diff --git a/server/src/main/resources/db/mysql/migration/V13_0__index_roles_manage_identifiers.sql b/server/src/main/resources/db/mysql/migration/V13_0__index_roles_manage_identifiers.sql
new file mode 100644
index 00000000..03856b85
--- /dev/null
+++ b/server/src/main/resources/db/mysql/migration/V13_0__index_roles_manage_identifiers.sql
@@ -0,0 +1,2 @@
+ALTER TABLE `roles`
+    ADD INDEX roles_manage_identifiers( (CAST(applications->'$[*].manageId' AS char(255) ARRAY)) );
\ No newline at end of file