diff --git a/htdocs/compta/facture.php b/htdocs/compta/facture.php
index 3663e71ffde..dd7015227ba 100644
--- a/htdocs/compta/facture.php
+++ b/htdocs/compta/facture.php
@@ -659,7 +659,8 @@ else if ($action == 'add' && $user->rights->facture->creer)
 	// Fill array 'array_options' with data from add form
 	$extralabels=$extrafields->fetch_name_optionals_label($object->table_element);
 	$ret = $extrafields->setOptionalsFromPost($extralabels,$object);
-
+	if($ret < 0)
+		$error++;
 
 	// Replacement invoice
 	if ($_POST['type'] == 1)
@@ -1858,24 +1859,28 @@ if ($action == 'update_extras')
 	// Fill array 'array_options' with data from add form
 	$extralabels=$extrafields->fetch_name_optionals_label($object->table_element);
 	$ret = $extrafields->setOptionalsFromPost($extralabels,$object);
+	if($ret < 0)
+		$error++;
 
-	// Actions on extra fields (by external module or standard code)
-	// FIXME le hook fait double emploi avec le trigger !!
-	$hookmanager->initHooks(array('invoicedao'));
-	$parameters=array('id'=>$object->id);
-	$reshook=$hookmanager->executeHooks('insertExtraFields',$parameters,$object,$action); // Note that $action and $object may have been modified by some hooks
-	if (empty($reshook))
-	{
-		if (empty($conf->global->MAIN_EXTRAFIELDS_DISABLED)) // For avoid conflicts if trigger used
+	if(!$error) {
+		// Actions on extra fields (by external module or standard code)
+		// FIXME le hook fait double emploi avec le trigger !!
+		$hookmanager->initHooks(array('invoicedao'));
+		$parameters=array('id'=>$object->id);
+		$reshook=$hookmanager->executeHooks('insertExtraFields',$parameters,$object,$action); // Note that $action and $object may have been modified by some hooks
+		if (empty($reshook))
 		{
-			$result=$object->insertExtraFields();
-			if ($result < 0)
+			if (empty($conf->global->MAIN_EXTRAFIELDS_DISABLED)) // For avoid conflicts if trigger used
 			{
-				$error++;
+				$result=$object->insertExtraFields();
+				if ($result < 0)
+				{
+					$error++;
+				}
 			}
 		}
+		else if ($reshook < 0) $error++;
 	}
-	else if ($reshook < 0) $error++;
 
 }