From edaf03f6d56372a8665a75bd9ac2df09d2318626 Mon Sep 17 00:00:00 2001
From: Vincent Vanwaelscappel <vincent@cubedesigners.com>
Date: Thu, 1 Feb 2024 16:00:29 +0100
Subject: [PATCH] wait #6496

---
 js/libs/fluidbook/fluidbook.stats.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/libs/fluidbook/fluidbook.stats.js b/js/libs/fluidbook/fluidbook.stats.js
index 1bd43b42..6335a5d7 100644
--- a/js/libs/fluidbook/fluidbook.stats.js
+++ b/js/libs/fluidbook/fluidbook.stats.js
@@ -6,7 +6,7 @@ function FluidbookStats() {
 
 FluidbookStats.prototype = {
     setupMatomoTagManager: function () {
-        if (SETTINGS.matomoTagManager !== '') {
+        if (SETTINGS.matomoTagManager !== undefined && SETTINGS.matomoTagManager !== null && SETTINGS.matomoTagManager !== '') {
             var _mtm = window._mtm = window._mtm || [];
             _mtm.push({'mtm.startTime': (new Date().getTime()), 'event': 'mtm.Start'});
             var d = document, g = d.createElement('script'), s = d.getElementsByTagName('script')[0];
-- 
2.39.5