diff --git a/src/Action/NotifyAction.php b/src/Action/NotifyAction.php
index 6686a30..5c65bfb 100644
--- a/src/Action/NotifyAction.php
+++ b/src/Action/NotifyAction.php
@@ -93,7 +93,7 @@ public function execute($request): void
                     }
                 }
             } catch (OpenPayU_Exception $e) {
-                throw new HttpResponse($e->getMessage());
+                throw new HttpResponse($e->getMessage(), 500);
             }
         }
     }