diff --git a/core/modules/image/image.module b/core/modules/image/image.module
index 54d98eb..374b2eb 100644
--- a/core/modules/image/image.module
+++ b/core/modules/image/image.module
@@ -319,7 +319,7 @@ function image_file_download($uri) {
  */
 function image_file_move($file, $source) {
   // Delete any image derivatives at the original image path.
-  image_path_flush($file->uri);
+  image_path_flush($source->uri);
 }
 
 /**