diff --git a/htdocs/product/stock/replenish.php b/htdocs/product/stock/replenish.php
index 0de9fa76786..99a4b4c286e 100644
--- a/htdocs/product/stock/replenish.php
+++ b/htdocs/product/stock/replenish.php
@@ -89,7 +89,7 @@ if (! empty($conf->global->STOCK_CALCULATE_ON_SHIPMENT)
 {
     $virtualdiffersfromphysical=1;		// According to increase/decrease stock options, virtual and physical stock may differs.
 }
-$usevirtualstock=0;
+$usevirtualstock = !empty($conf->global->STOCK_USE_VIRTUAL_STOCK);
 if ($mode == 'virtual') $usevirtualstock=1;
 
 $parameters=array();