diff --git a/src/models/repositories/user-group.ts b/src/models/repositories/user-group.ts
index dbbe8bf84c..38174ce235 100644
--- a/src/models/repositories/user-group.ts
+++ b/src/models/repositories/user-group.ts
@@ -21,7 +21,7 @@ export class UserGroupRepository extends Repository<UserGroup> {
 			id: userGroup.id,
 			createdAt: userGroup.createdAt.toISOString(),
 			name: userGroup.name,
-			owner: userGroup.userId,
+			ownerId: userGroup.userId,
 			userIds: users.map(x => x.userId)
 		};
 	}
@@ -49,7 +49,7 @@ export const packedUserGroupSchema = {
 			optional: bool.false, nullable: bool.false,
 			description: 'The name of the UserGroup.'
 		},
-		owner: {
+		ownerId: {
 			type: types.string,
 			nullable: bool.false, optional: bool.false,
 			format: 'id',