diff --git a/backend/rector.php b/backend/rector.php
index ec40185..de31077 100644
--- a/backend/rector.php
+++ b/backend/rector.php
@@ -21,4 +21,8 @@
         // Code quality
         SetList::CODE_QUALITY,
         SetList::CODING_STYLE,
+    ])
+    // Skip ErrorResponseSetter - has legitimate static methods that shouldn't be converted
+    ->withSkip([
+        __DIR__.'/src/EventListener/ErrorResponseSetter.php',
     ]);