diff --git a/htdocs/product/stock/class/entrepot.class.php b/htdocs/product/stock/class/entrepot.class.php
index 039918ea66c..add121b902e 100644
--- a/htdocs/product/stock/class/entrepot.class.php
+++ b/htdocs/product/stock/class/entrepot.class.php
@@ -308,6 +308,16 @@ class Entrepot extends CommonObject
 	{
 		global $conf;
 
+		dol_syslog(get_class($this)."::fetch id=".$id." ref=".$ref);
+
+		// Check parameters
+		if (! $id && ! $ref)
+		{
+			$this->error='ErrorWrongParameters';
+			dol_syslog(get_class($this)."::fetch ".$this->error);
+			return -1;
+		}
+
 		$sql  = "SELECT rowid, fk_parent, ref as label, description, statut, lieu, address, zip, town, fk_pays as country_id";
 		$sql .= " FROM ".MAIN_DB_PREFIX."entrepot";
 		if ($id)
@@ -320,7 +330,6 @@ class Entrepot extends CommonObject
 			if ($ref) $sql.= " AND ref = '".$this->db->escape($ref)."'";
 		}
 
-		dol_syslog(get_class($this)."::fetch", LOG_DEBUG);
 		$result = $this->db->query($sql);
 		if ($result)
 		{