diff --git a/src/Illuminate/Http/Concerns/InteractsWithInput.php b/src/Illuminate/Http/Concerns/InteractsWithInput.php
index b1e9b830ba3..61995d26f3e 100644
--- a/src/Illuminate/Http/Concerns/InteractsWithInput.php
+++ b/src/Illuminate/Http/Concerns/InteractsWithInput.php
@@ -309,9 +309,7 @@ public function allFiles()
     {
         $files = $this->files->all();
 
-        return $this->convertedFiles
-                    ? $this->convertedFiles
-                    : $this->convertedFiles = $this->convertUploadedFiles($files);
+        return $this->convertedFiles = $this->convertedFiles ?? $this->convertUploadedFiles($files);
     }
 
     /**