diff --git a/app/Http/Controllers/UserGroupController.php b/app/Http/Controllers/UserGroupController.php
index 1755214..441e649 100755
--- a/app/Http/Controllers/UserGroupController.php
+++ b/app/Http/Controllers/UserGroupController.php
@@ -430,7 +430,7 @@ ug.date_creation as date_creation_groupe , ug.createur , ug.sponsor1 , ug.sponso
             return $this->errorResponse(trans('errors.group_not_active'));
 
         $sponsor = User::where('user_code', $request->code_sponsor)->first();
-        if (isset($sponsor)) {
+        if (!isset($sponsor)) {
             return $this->errorResponse(trans('errors.sponsor_not_found', ['id' => $request->code_sponsor]));
         }
         if (!in_array($sponsor->id, [$group->id_sponsor1, $group->id_sponsor2, $group->id_sponsor3]))