diff --git a/js_upload/js_upload.php b/js_upload/js_upload.php
index 22a2310e3..8d8af072d 100644
--- a/js_upload/js_upload.php
+++ b/js_upload/js_upload.php
@@ -81,7 +81,7 @@ function js_upload_post_file(App $a, array &$b)
 
 }
 
-function js_upload_post_end(App $a, array &$b)
+function js_upload_post_end(App $a, int &$b)
 {
 	global $js_upload_jsonresponse;