diff --git a/src/DelegatingManager.php b/src/DelegatingManager.php
index d61eb14..3ee6953 100644
--- a/src/DelegatingManager.php
+++ b/src/DelegatingManager.php
@@ -48,9 +48,9 @@ public function getManagerFor(string $class): ManagerInterface
         return $this->managers[$class];
     }
 
-    public function upload(SplFileInfo $file): File
+    public function upload(SplFileInfo $splFileInfo): File
     {
-        return $this->manager->upload($file);
+        return $this->manager->upload($splFileInfo);
     }
 
     public function getPathname(File $file): string