diff --git a/htdocs/core/lib/json.lib.php b/htdocs/core/lib/json.lib.php
index aca24a5810b..cf3fa89c655 100644
--- a/htdocs/core/lib/json.lib.php
+++ b/htdocs/core/lib/json.lib.php
@@ -33,8 +33,7 @@ if (! function_exists('json_encode'))
 	 */
 	function json_encode($elements)
 	{
-		return 'ttt';
-		//return dol_json_encode($elements);
+		return dol_json_encode($elements);
 	}
 }