diff --git a/classes/class.smarty.frontend.php b/classes/class.smarty.frontend.php
index 6adc3a6..d6feb7a 100644
--- a/classes/class.smarty.frontend.php
+++ b/classes/class.smarty.frontend.php
@@ -63,7 +63,7 @@ class cSmartyFrontend {
      * @throws cInvalidArgumentException if the given configurations are not an
      *         array
      */
-    public function __construct(&$aCfg, &$aClientCfg, $bSanityCheck = false) {
+    public function __construct($aCfg, $aClientCfg, $bSanityCheck = false) {
         // check if already instanciated
         if (isset(self::$bSmartyInstanciated) && self::$bSmartyInstanciated) {
             throw new Exception("cSmartyFrontend class is intended to be used as singleton. Do not instanciate multiple times.");