diff --git a/htdocs/core/lib/json.lib.php b/htdocs/core/lib/json.lib.php
index 7388ba47806..55bfcf96061 100644
--- a/htdocs/core/lib/json.lib.php
+++ b/htdocs/core/lib/json.lib.php
@@ -42,12 +42,11 @@ 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);
 
 	$num=0;
 	if (is_object($elements))	// Count number of properties for an object
diff --git a/htdocs/includes/tcpdi/tcpdi.php b/htdocs/includes/tcpdi/tcpdi.php
index 48fdd8198f5..999ff99ea5b 100644
--- a/htdocs/includes/tcpdi/tcpdi.php
+++ b/htdocs/includes/tcpdi/tcpdi.php
@@ -580,7 +580,7 @@ class TCPDI extends FPDF_TPL {
      * close all files opened by parsers
      */
     function _closeParsers() {
-        if ($this->state > 2 && count($this->parsers) > 0) {
+        if ($this->state > 2 && is_array($this->parsers) && count($this->parsers) > 0) {
           	$this->cleanUp();
             return true;
         }