diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index 4253d2c0e48..429990f7010 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -3314,23 +3314,23 @@ class Product extends CommonObject
         if (! empty($conf->commande->enabled))
         {
             $result=$this->load_stats_commande(0,'1,2');
-            if ($result < 0) dol_print_error($db,$this->error);
+            if ($result < 0) dol_print_error($this->db,$this->error);
             $stock_commande_client=$this->stats_commande['qty'];
         }
         if (! empty($conf->expedition->enabled))
         {
             $result=$this->load_stats_sending(0,'1,2');
-            if ($result < 0) dol_print_error($db,$this->error);
+            if ($result < 0) dol_print_error($this->db,$this->error);
             $stock_sending_client=$this->stats_expedition['qty'];
         }
         if (! empty($conf->fournisseur->enabled))
         {
             $result=$this->load_stats_commande_fournisseur(0,'1,2,3,4');
-            if ($result < 0) dol_print_error($db,$this->error);
+            if ($result < 0) dol_print_error($this->db,$this->error);
             $stock_commande_fournisseur=$this->stats_commande_fournisseur['qty'];
 
             $result=$this->load_stats_reception(0,'4');
-            if ($result < 0) dol_print_error($db,$this->error);
+            if ($result < 0) dol_print_error($this->db,$this->error);
             $stock_reception_fournisseur=$this->stats_reception['qty'];
         }