diff --git a/htdocs/product/stock/class/entrepot.class.php b/htdocs/product/stock/class/entrepot.class.php
index cb3e891ff9d..1b7622e105b 100644
--- a/htdocs/product/stock/class/entrepot.class.php
+++ b/htdocs/product/stock/class/entrepot.class.php
@@ -204,8 +204,15 @@ class Entrepot extends CommonObject
 			$sql.= " WHERE rowid = " . $this->id;
 
 			dol_syslog(get_class($this)."::delete sql=".$sql);
-			$resql=$this->db->query($sql);
-			if ($resql)
+			$resql1=$this->db->query($sql);
+
+			// Update denormalized fields because we change content of produt_stock
+			$sql = "UPDATE ".MAIN_DB_PREFIX."product p SET p.stock= (SELECT SUM(ps.reel) FROM ".MAIN_DB_PREFIX."product_stock ps WHERE ps.fk_product = p.rowid)";
+
+			dol_syslog(get_class($this)."::delete sql=".$sql);
+			$resql2=$this->db->query($sql);
+
+			if ($resql1 && $resql2)
 			{
 				$this->db->commit();
 				return 1;
diff --git a/htdocs/product/stock/class/mouvementstock.class.php b/htdocs/product/stock/class/mouvementstock.class.php
index 93c07f4b61b..e31134a613d 100644
--- a/htdocs/product/stock/class/mouvementstock.class.php
+++ b/htdocs/product/stock/class/mouvementstock.class.php
@@ -194,6 +194,8 @@ class MouvementStock
 			{
 				$sql = "UPDATE ".MAIN_DB_PREFIX."product SET pmp = ".$newpmp.", stock = ".$this->db->ifsql("stock IS NULL", 0, "stock") . " + ".$qty;
 				$sql.= " WHERE rowid = ".$fk_product;
+				// May be this request is better:
+				// UPDATE llx_product p SET p.stock= (SELECT SUM(ps.reel) FROM llx_product_stock ps WHERE ps.fk_product = p.rowid);
 
 				dol_syslog(get_class($this)."::_create sql=".$sql);
 				$resql=$this->db->query($sql);