diff --git a/be/app/Models/MasterTask.php b/be/app/Models/MasterTask.php
index d097367..f708d82 100644
--- a/be/app/Models/MasterTask.php
+++ b/be/app/Models/MasterTask.php
@@ -43,6 +43,9 @@ class MasterTask extends Model
         }
 
         return $users->filter(function ($user) {
+            if (!isset($user->teams)) {
+                return true;
+            }
             return !in_array($this->team->id, $user->teams->pluck('id')->unique()->toArray());
         });
     }