diff --git a/lib/plugins/pluginregistry.inc.php b/lib/plugins/pluginregistry.inc.php
index fd85597..0b4851d 100644
--- a/lib/plugins/pluginregistry.inc.php
+++ b/lib/plugins/pluginregistry.inc.php
@@ -35,6 +35,8 @@
  *
  */
 
+require_once( KT_LIB_DIR . '/plugins/plugin.inc.php');
+
 class KTPluginRegistry {
     var $_aPluginDetails = array();
     var $_aPlugins = array();
diff --git a/lib/templating/templating.inc.php b/lib/templating/templating.inc.php
index 1f8020d..85adbe6 100644
--- a/lib/templating/templating.inc.php
+++ b/lib/templating/templating.inc.php
@@ -36,7 +36,8 @@
  * Contributor( s): ______________________________________
  */
 
-require_once(KT_LIB_DIR . "/templating/smartytemplate.inc.php");
+require_once(KT_LIB_DIR . '/templating/smartytemplate.inc.php');
+require_once( KT_LIB_DIR . '/plugins/plugin.inc.php');
 
 class KTTemplating {
     /** Templating language registry */