diff --git a/src/app/user/controllers/UserController.php b/src/app/user/controllers/UserController.php
index 142157718f3716aa7d5c03fc86d1ac14ddcefe9d..ae060a9498c0db49328a9440e8c23fa9d756cdc5 100755
--- a/src/app/user/controllers/UserController.php
+++ b/src/app/user/controllers/UserController.php
@@ -106,8 +106,12 @@ class UserController
             return $response->withStatus(400)->withJson(['errors' => 'Route id is not an integer']);
         }
 
+
         if ($GLOBALS['id'] == $args['id'] || PrivilegeController::hasPrivilege(['userId' => $GLOBALS['id'], 'privilege' => 'manage_users'])) {
             $user = UserController::getUserInformationsById(['id' => $args['id']]);
+            if (empty($user)) {
+                return $response->withStatus(400)->withJson(['errors' => 'User does not exist']);
+            }
             $user['groups'] = [];
             $userGroups = UserGroupModel::get(['select' => ['group_id'], 'where' => ['user_id = ?'], 'data' => [$args['id']]]);
             $groupsIds  = array_column($userGroups, 'group_id');
@@ -119,7 +123,6 @@ class UserController
         } else {
             $user = UserModel::getById(['select' => ['id', 'firstname', 'lastname', 'email', 'phone', 'substitute'], 'id' => $args['id']]);
         }
-
         if (empty($user)) {
             return $response->withStatus(400)->withJson(['errors' => 'User does not exist']);
         }