diff --git a/src/Controller.php b/src/Controller.php
index 35cf6db3b..ccb77a3d8 100644
--- a/src/Controller.php
+++ b/src/Controller.php
@@ -64,7 +64,7 @@ private function findLayoutFile(?string $file): ?string
             return $file;
         }
 
-        return $file . '.' . $this->view->defaultExtension;
+        return $file . '.' . $this->view->getDefaultExtension();
     }
 
     abstract protected function getId(): string;