diff --git a/lib/actions/actionregistry.inc.php b/lib/actions/actionregistry.inc.php
index 7f06f8a..924cbb4 100644
--- a/lib/actions/actionregistry.inc.php
+++ b/lib/actions/actionregistry.inc.php
@@ -35,7 +35,7 @@ class KTActionRegistry {
     }
     // }}}
 
-    function registerAction($slot, $name, $nsname, $path = "", $sPlugin = null) {
+    function registerAction($slot, $name, $nsname, $path = '', $sPlugin = null) {
         $this->actions[$slot] = KTUtil::arrayGet($this->actions, $slot, array());
         $this->actions[$slot][$nsname] = array($name, $path, $nsname, $sPlugin);
         $this->nsnames[$nsname] = array($name, $path, $nsname, $sPlugin);