diff --git a/htdocs/core/lib/json.lib.php b/htdocs/core/lib/json.lib.php
index 6b868663aa7..ac2372c5825 100644
--- a/htdocs/core/lib/json.lib.php
+++ b/htdocs/core/lib/json.lib.php
@@ -42,19 +42,21 @@ if (! function_exists('json_encode'))
  *
  * @param	mixed	$elements		PHP Object to json encode
  * @return 	string					Json encoded string
- * @deprecated PHP >= 5.3 supports native json_encode
  * @see json_encode()
  */
 function dol_json_encode($elements)
 {
-	dol_syslog('dol_json_encode() is deprecated. Please update your code to use native json_encode().', LOG_WARNING);
+	dol_syslog("For better permorfance, enable the native json in your PHP", LOG_WARNING);
 
-	$num=count($elements);
+	$num=0;
 	if (is_object($elements))	// Count number of properties for an object
 	{
-		$num=0;
 		foreach($elements as $key => $value) $num++;
 	}
+	else
+	{
+		$num=count($elements);
+	}	
 	//var_dump($num);
 
 	// determine type