diff --git a/htdocs/oscommerce_ws/clients/osc_customer.class.php b/htdocs/oscommerce_ws/clients/osc_customer.class.php
index 81908b24fd7..611fce26bdc 100644
--- a/htdocs/oscommerce_ws/clients/osc_customer.class.php
+++ b/htdocs/oscommerce_ws/clients/osc_customer.class.php
@@ -141,7 +141,7 @@ class Osc_customer
 	{
 
 		/* suppression et insertion */
-		$sql = "DELETE FROM ".MAIN_DB_PREFIX."osc_customer WHERE osc_custid = ".$oscid.";";
+		$sql = "DELETE FROM ".MAIN_DB_PREFIX."osc_customer WHERE rowid = ".$oscid.";";
 		$result=$this->db->query($sql);
         if ($result)
         {
@@ -176,7 +176,7 @@ class Osc_customer
 	{
 		$sql = "SELECT doli_socidp";
 		$sql.= " FROM ".MAIN_DB_PREFIX."osc_customer";
-		$sql.= " WHERE osc_custid = ".$osc_client;
+		$sql.= " WHERE rowid = ".$osc_client;
 		$result=$this->db->query($sql);
 		$row = $this->db->fetch_row($resql);
 // test d'erreurs
diff --git a/htdocs/oscommerce_ws/commandes/osc_order.class.php b/htdocs/oscommerce_ws/commandes/osc_order.class.php
index 19e95fcb935..b6edd2e15d5 100644
--- a/htdocs/oscommerce_ws/commandes/osc_order.class.php
+++ b/htdocs/oscommerce_ws/commandes/osc_order.class.php
@@ -200,7 +200,7 @@ class Osc_order
 	{
 
 		/* suppression et insertion */
-		$sql = "DELETE FROM ".MAIN_DB_PREFIX."osc_orders WHERE osc_prodid = ".$osc_orderid.";";
+		$sql = "DELETE FROM ".MAIN_DB_PREFIX."osc_order WHERE rowid = ".$osc_orderid.";";
 		$result=$this->db->query($sql);
         if ($result)
         {
@@ -233,9 +233,9 @@ class Osc_order
 
 	function get_orderid($osc_orderid)
 	{
-		$sql = "SELECT doli_orderidp";
+		$sql = "SELECT fk_commande";
 		$sql.= " FROM ".MAIN_DB_PREFIX."osc_order";
-		$sql.= " WHERE osc_orderid = ".$osc_orderid;
+		$sql.= " WHERE rowid = ".$osc_orderid;
 		$result=$this->db->query($sql);
 		$row = $this->db->fetch_row($resql);
 // test d'erreurs
diff --git a/htdocs/oscommerce_ws/produits/osc_product.class.php b/htdocs/oscommerce_ws/produits/osc_product.class.php
index c6554e03b1e..d710074cb02 100644
--- a/htdocs/oscommerce_ws/produits/osc_product.class.php
+++ b/htdocs/oscommerce_ws/produits/osc_product.class.php
@@ -190,7 +190,7 @@ class Osc_product
 
 	function get_productid($osc_product)
 	{
-		$sql = "SELECT doli_prodidp";
+		$sql = "SELECT fk_product";
 		$sql.= " FROM ".MAIN_DB_PREFIX."osc_product";
 		$sql.= " WHERE rowid = ".$osc_product;
 		$result=$this->db->query($sql);