diff --git a/syntax/syntax.php b/syntax/syntax.php
index 9794a92..cdc68b3 100755
--- a/syntax/syntax.php
+++ b/syntax/syntax.php
@@ -47,7 +47,7 @@ public function connectTo($mode) {
      * @param Doku_Handler    $handler The handler
      * @return array Data for the renderer
      */
-    public function handle($match, $state, $pos, Doku_Handler &$handler){
+    public function handle($match, $state, $pos, Doku_Handler $handler){
         $dropwrapper = trim(substr(substr($match,11),0,-2));
         
         $exploded = explode(' ',$dropwrapper);
@@ -122,7 +122,7 @@ public function handle($match, $state, $pos, Doku_Handler &$handler){
      * @param array          $data      The data from the handler() function
      * @return bool If rendering was successful.
      */
-    public function render($mode, Doku_Renderer &$renderer, $data) {
+    public function render($mode, Doku_Renderer $renderer, $data) {
         if($mode == 'metadata') {
         	//dbglog("In render metadata");