diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index 818c0479c665dc96d235fc839add5cab6ed2ef0b..931af52c44d544bce944da67c05160348f15de2f 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -1487,6 +1487,8 @@ class Product extends CommonObject
 				// We should not load stock at each fetch. If someone need stock, he must call load_stock after fetch.
 				//$res=$this->load_stock();
 				//return $res;
+				// ok we don't load stock but we init the stock_warehouse array 
+				$this->stock_warehouse = Array();
 
 				return 1;
 			}