diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index 47e8be9067c..50495d16a90 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -429,7 +429,7 @@ class Product extends CommonObject
             $error=0;
 
         // Clean parameters
-        $this->ref = dol_string_nospecial(trim($this->ref));
+        $this->ref = dol_sanitizeFileName(dol_string_nospecial(trim($this->ref)));
         $this->label = trim($this->label);
         $this->price_ttc=price2num($this->price_ttc);
         $this->price=price2num($this->price);