diff --git a/server/controllers/ticket/change-department.php b/server/controllers/ticket/change-department.php
index 22679a0d..5cea221d 100755
--- a/server/controllers/ticket/change-department.php
+++ b/server/controllers/ticket/change-department.php
@@ -66,10 +66,13 @@ class ChangeDepartmentController extends Controller {
         $ticket->addEvent($event);
         $ticket->department = $department;
         $ticket->unread = true;
+        if(!Controller::getLoggedUser()->sharedDepartmentList->includesId($department->id)) {
+            $ticket->owner = null;
+        }
         $ticket->store();
 
         Log::createLog('DEPARTMENT_CHANGED', $ticket->ticketNumber);
 
         Response::respondSuccess();
     }
-}
\ No newline at end of file
+}