diff --git a/zen/template.php b/zen/template.php
index bb7bf05..ab2a754 100644
--- a/zen/template.php
+++ b/zen/template.php
@@ -100,6 +100,7 @@ function zen_menu_local_tasks() {
 
   // CTools requires a different set of local task functions.
   if (module_exists('ctools')) {
+    ctools_include('menu');
     $primary = ctools_menu_primary_local_tasks();
     $secondary = ctools_menu_secondary_local_tasks();
   }