diff --git a/controller/upload_file.rst b/controller/upload_file.rst
index 8971c6f5806..1c3ed682c1d 100644
--- a/controller/upload_file.rst
+++ b/controller/upload_file.rst
@@ -442,10 +442,14 @@ controller.
             public function postLoad(LifecycleEventArgs $args)
             {
                 $entity = $args->getEntity();
-
-                $fileName = $entity->getBrochure();
-
-                $entity->setBrochure(new File($this->targetPath.'/'.$fileName));
+                
+                if (!$entity instanceof Product) {
+                    return;
+                }
+
+                if ($fileName = $entity->getBrochure()) {
+                    $entity->setBrochure(new File($this->targetPath.'/'.$fileName));
+                }
             }
         }