diff --git a/functions/app.php b/functions/app.php
index 225e57aa..ce718eed 100644
--- a/functions/app.php
+++ b/functions/app.php
@@ -280,7 +280,7 @@ function addToMailQueue($data) {
 
 function createiCalStr($datetime, $title, $description, $location)
 {
-    require_once "plugins/zapcal/zapcallib.php";
+    require_once "libs/zapcal/zapcallib.php";
 
     // Create the iCal object
     $cal_event = new ZCiCal();