diff --git a/src/models/responses/ResponseUserGroup.ts b/src/models/responses/ResponseUserGroup.ts
index e6f00bb..e1aa9eb 100644
--- a/src/models/responses/ResponseUserGroup.ts
+++ b/src/models/responses/ResponseUserGroup.ts
@@ -2,7 +2,6 @@ import { IsArray, IsNotEmpty, IsOptional, IsString } from "class-validator";
 import { UserGroup } from '../entities/UserGroup';
 import { ResponseObjectType } from '../enums/ResponseObjectType';
 import { IResponse } from './IResponse';
-import { ResponsePermission } from './ResponsePermission';
 import { ResponsePrincipal } from './ResponsePrincipal';
 
 /**
@@ -34,7 +33,7 @@ export class ResponseUserGroup extends ResponsePrincipal implements IResponse {
      */
     @IsArray()
     @IsOptional()
-    permissions: ResponsePermission[];
+    permissions: string[];
 
     /**
      * Creates a ResponseUserGroup object from a userGroup.
@@ -46,7 +45,7 @@ export class ResponseUserGroup extends ResponsePrincipal implements IResponse {
         this.description = group.description;
         if (group.permissions) {
             for (let permission of group.permissions) {
-                this.permissions.push(permission.toResponse());
+                this.permissions.push(permission.toString());
             }
         }
     }