diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index 353b53f698b..28b6d4638e0 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -1845,7 +1845,7 @@ class Product extends CommonObject
 		if (! $id && ! $ref && ! $ref_ext)
 		{
 			$this->error='ErrorWrongParameters';
-			dol_print_error(get_class($this)."::fetch ".$this->error);
+			dol_syslog(get_class($this)."::fetch ".$this->error);
 			return -1;
 		}