diff --git a/ChangeLog b/ChangeLog
index af001a3c0ef..1938040f92e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -91,6 +91,7 @@ For developers:
 - New: Add trigger CATEGORY_LINK and CATEGORY_UNLINK.
 - New: A trigger can return an array of error strings instead of one error string.
 - New: Add method to use a dictionnary as a combo box.
+- New: Add update method for web service product.
 
 WARNING: Following change may create regression for some external modules, but was necessary to make
 Dolibarr better:
diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index 5690f2fbb8e..97ad7b33ef5 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -453,10 +453,11 @@ class Product extends CommonObject
 		$this->volume_units = trim($this->volume_units);
 		if (empty($this->tva_tx))    			$this->tva_tx = 0;
 		if (empty($this->tva_npr))    			$this->tva_npr = 0;
-		//Local taxes
 		if (empty($this->localtax1_tx))			$this->localtax1_tx = 0;
 		if (empty($this->localtax2_tx))			$this->localtax2_tx = 0;
-
+		if (empty($this->status))				$this->status = 0;
+		if (empty($this->status_buy))			$this->status_buy = 0;
+		
         if (empty($this->country_id))           $this->country_id = 0;
 
 		$this->accountancy_code_buy = trim($this->accountancy_code_buy);
@@ -464,33 +465,32 @@ class Product extends CommonObject
 
 		$sql = "UPDATE ".MAIN_DB_PREFIX."product";
 		$sql.= " SET label = '" . $this->db->escape($this->libelle) ."'";
-		$sql.= ",ref = '" . $this->ref ."'";
-		$sql.= ",tva_tx = " . $this->tva_tx;
-		$sql.= ",recuperableonly = " . $this->tva_npr;
+		$sql.= ", ref = '" . $this->ref ."'";
+		$sql.= ", ref_ext = ".(! empty($this->ref_ext)?"'".$this->db->escape($this->ref_ext)."'":"null");
+		$sql.= ", tva_tx = " . $this->tva_tx;
+		$sql.= ", recuperableonly = " . $this->tva_npr;
+		$sql.= ", localtax1_tx = " . $this->localtax1_tx;
+		$sql.= ", localtax2_tx = " . $this->localtax2_tx;
 
-		//Local taxes
-		$sql.= ",localtax1_tx = " . $this->localtax1_tx;
-		$sql.= ",localtax2_tx = " . $this->localtax2_tx;
-
-		$sql.= ",tosell = " . $this->status;
-		$sql.= ",tobuy = " . $this->status_buy;
-		$sql.= ",finished = " . ((empty($this->finished) || $this->finished < 0) ? "null" : $this->finished);
-		$sql.= ",weight = " . ($this->weight!='' ? "'".$this->weight."'" : 'null');
-		$sql.= ",weight_units = " . ($this->weight_units!='' ? "'".$this->weight_units."'": 'null');
-		$sql.= ",length = " . ($this->length!='' ? "'".$this->length."'" : 'null');
-		$sql.= ",length_units = " . ($this->length_units!='' ? "'".$this->length_units."'" : 'null');
-		$sql.= ",surface = " . ($this->surface!='' ? "'".$this->surface."'" : 'null');
-		$sql.= ",surface_units = " . ($this->surface_units!='' ? "'".$this->surface_units."'" : 'null');
-		$sql.= ",volume = " . ($this->volume!='' ? "'".$this->volume."'" : 'null');
-		$sql.= ",volume_units = " . ($this->volume_units!='' ? "'".$this->volume_units."'" : 'null');
-		$sql.= ",seuil_stock_alerte = " . ((isset($this->seuil_stock_alerte) && $this->seuil_stock_alerte != '') ? "'".$this->seuil_stock_alerte."'" : "null");
-		$sql.= ",description = '" . $this->db->escape($this->description) ."'";
-        $sql.= ",customcode = '" .        $this->db->escape($this->customcode) ."'";
-        $sql.= ",fk_country = " . ($this->country_id > 0 ? $this->country_id : 'null');
-        $sql.= ",note = '" .        $this->db->escape($this->note) ."'";
-		$sql.= ",duration = '" . $this->duration_value . $this->duration_unit ."'";
-		$sql.= ",accountancy_code_buy = '" . $this->accountancy_code_buy."'";
-		$sql.= ",accountancy_code_sell= '" . $this->accountancy_code_sell."'";
+		$sql.= ", tosell = " . $this->status;
+		$sql.= ", tobuy = " . $this->status_buy;
+		$sql.= ", finished = " . ((empty($this->finished) || $this->finished < 0) ? "null" : $this->finished);
+		$sql.= ", weight = " . ($this->weight!='' ? "'".$this->weight."'" : 'null');
+		$sql.= ", weight_units = " . ($this->weight_units!='' ? "'".$this->weight_units."'": 'null');
+		$sql.= ", length = " . ($this->length!='' ? "'".$this->length."'" : 'null');
+		$sql.= ", length_units = " . ($this->length_units!='' ? "'".$this->length_units."'" : 'null');
+		$sql.= ", surface = " . ($this->surface!='' ? "'".$this->surface."'" : 'null');
+		$sql.= ", surface_units = " . ($this->surface_units!='' ? "'".$this->surface_units."'" : 'null');
+		$sql.= ", volume = " . ($this->volume!='' ? "'".$this->volume."'" : 'null');
+		$sql.= ", volume_units = " . ($this->volume_units!='' ? "'".$this->volume_units."'" : 'null');
+		$sql.= ", seuil_stock_alerte = " . ((isset($this->seuil_stock_alerte) && $this->seuil_stock_alerte != '') ? "'".$this->seuil_stock_alerte."'" : "null");
+		$sql.= ", description = '" . $this->db->escape($this->description) ."'";
+        $sql.= ", customcode = '" .        $this->db->escape($this->customcode) ."'";
+        $sql.= ", fk_country = " . ($this->country_id > 0 ? $this->country_id : 'null');
+        $sql.= ", note = '" .        $this->db->escape($this->note) ."'";
+		$sql.= ", duration = '" . $this->duration_value . $this->duration_unit ."'";
+		$sql.= ", accountancy_code_buy = '" . $this->accountancy_code_buy."'";
+		$sql.= ", accountancy_code_sell= '" . $this->accountancy_code_sell."'";
 		$sql.= ", desiredstock = " . ((isset($this->desiredstock) && $this->desiredstock != '') ? $this->desiredstock : "null");
 		$sql.= " WHERE rowid = " . $id;
 
diff --git a/htdocs/webservices/server_productorservice.php b/htdocs/webservices/server_productorservice.php
index d32209262ab..4e8e80a5c03 100644
--- a/htdocs/webservices/server_productorservice.php
+++ b/htdocs/webservices/server_productorservice.php
@@ -253,6 +253,20 @@ $server->register(
     'WS to create a product or service'
 );
 
+// Register WSDL
+$server->register(
+    'updateProductOrService',
+    // Entry values
+    array('authentication'=>'tns:authentication','product'=>'tns:product'),
+    // Exit values
+    array('result'=>'tns:result','id'=>'xsd:string'),
+    $ns,
+    $ns.'#updateProductOrService',
+    $styledoc,
+    $styleuse,
+    'WS to update a product or service'
+);
+
 // Register WSDL
 $server->register(
     'getListOfProductsOrServices',
@@ -497,6 +511,117 @@ function createProductOrService($authentication,$product)
 }
 
 
+/**
+ * Update an invoice
+ *
+ * @param	array		$authentication		Array of authentication information
+ * @param	Product		$product			Product
+ * @return	array							Array result
+ */
+function updateProductOrService($authentication,$product)
+{
+    global $db,$conf,$langs;
+
+    $now=dol_now();
+
+    dol_syslog("Function: updateProductOrService login=".$authentication['login']);
+
+    if ($authentication['entity']) $conf->entity=$authentication['entity'];
+
+    // Init and check authentication
+    $objectresp=array();
+    $errorcode='';$errorlabel='';
+    $error=0;
+    $fuser=check_authentication($authentication,$error,$errorcode,$errorlabel);
+    // Check parameters
+    if ($product['price_net'] > 0) $product['price_base_type']='HT';
+    if ($product['price'] > 0)     $product['price_base_type']='TTC';
+
+    if ($product['price_net'] > 0 && $product['price'] > 0)
+    {
+        $error++; $errorcode='KO'; $errorlabel="You must choose between price or price_net to provide price.";
+    }
+
+
+    if (! $error)
+    {
+        include_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
+
+        $newobject=new Product($db);
+        $newobject->fetch($product['id'],$product['ref']);
+        
+        if (isset($product['ref']))     $newobject->ref=$product['ref'];
+        if (isset($product['ref_ext'])) $newobject->ref_ext=$product['ref_ext'];
+        $newobject->type=$product['type'];
+        $newobject->libelle=$product['label'];    // TODO deprecated
+        $newobject->label=$product['label'];
+        $newobject->description=$product['description'];
+        $newobject->note=$product['note'];
+        $newobject->status=$product['status_tosell'];
+        $newobject->status_buy=$product['status_tobuy'];
+        $newobject->price=$product['price_net'];
+        $newobject->price_ttc=$product['price'];
+        $newobject->tva_tx=$product['vat_rate'];
+        $newobject->price_base_type=$product['price_base_type'];
+        $newobject->date_creation=$now;
+
+        $newobject->stock_reel=$product['stock_real'];
+        $newobject->pmp=$product['pmp'];
+        $newobject->seuil_stock_alert=$product['stock_alert'];
+
+        $newobject->country_id=$product['country_id'];
+        if ($product['country_code']) $newobject->country_id=getCountry($product['country_code'],3);
+        $newobject->customcode=$product['customcode'];
+
+        $newobject->canvas=$product['canvas'];
+        /*foreach($product['lines'] as $line)
+        {
+            $newline=new FactureLigne($db);
+            $newline->type=$line['type'];
+            $newline->desc=$line['desc'];
+            $newline->fk_product=$line['fk_product'];
+            $newline->total_ht=$line['total_net'];
+            $newline->total_vat=$line['total_vat'];
+            $newline->total_ttc=$line['total'];
+            $newline->vat=$line['vat_rate'];
+            $newline->qty=$line['qty'];
+            $newline->fk_product=$line['product_id'];
+        }*/
+        //var_dump($product['ref_ext']);
+        //var_dump($product['lines'][0]['type']);
+
+        $db->begin();
+
+        $result=$newobject->update($newobject->id,$fuser);
+        if ($result <= 0)
+        {
+            $error++;
+        }
+
+        if (! $error)
+        {
+            $db->commit();
+            $objectresp=array('result'=>array('result_code'=>'OK', 'result_label'=>''),'id'=>$newobject->id,'ref'=>$newobject->ref);
+        }
+        else
+        {
+            $db->rollback();
+            $error++;
+            $errorcode='KO';
+            $errorlabel=$newobject->error;
+        }
+
+    }
+
+    if ($error)
+    {
+        $objectresp = array('result'=>array('result_code' => $errorcode, 'result_label' => $errorlabel));
+    }
+
+    return $objectresp;
+}
+
+
 /**
  * getListOfProductsOrServices
  *