diff --git a/htdocs/product/stock/massstockmove.php b/htdocs/product/stock/massstockmove.php
index 9f3390d34af..ed7095473ea 100644
--- a/htdocs/product/stock/massstockmove.php
+++ b/htdocs/product/stock/massstockmove.php
@@ -443,6 +443,7 @@ if ($action == 'confirm_deletefile' && $confirm == 'yes') {
  */
 
 $now = dol_now();
+$error = 0;
 
 $form = new Form($db);
 $formproduct = new FormProduct($db);