@@ -3099,7 +3099,7 @@
 
   // We need to be sure that this file's data is not in use elsewhere
   foreach (array('process_file', 'storage_file', 'complete_file') as $file_type) {
-    if (media_mover_api_file_unique($file[$file_type], $file)) {
+    if (!empty($file[$file_type]) && media_mover_api_file_unique($file[$file_type], $file)) {
       file_delete($file[$file_type]);
     }
   }