diff --git a/app/utils/analytics.js b/app/utils/analytics.js
index 3cf5222..533c34d 100644
--- a/app/utils/analytics.js
+++ b/app/utils/analytics.js
@@ -1,9 +1,9 @@
 
 export function analytics(eventData) {
   if(eventData.value) {
-    _paq.push(['trackEvent', eventData.category, eventData.action, eventData.name, eventData.value])
+    window._paq.push(['trackEvent', eventData.category, eventData.action, eventData.name, eventData.value])
   } else {
-    _paq.push(['trackEvent', eventData.category, eventData.action, eventData.name])
+    window._paq.push(['trackEvent', eventData.category, eventData.action, eventData.name])
   }
 }
 
@@ -18,11 +18,11 @@ export function initializeMatomoTagManager(containerID) {
 
   // To track pageviews, watching for changes to location.pathname
   let previousUrlPath = location.pathname;
-  const observer = new MutationObserver(function(mutations) {
+  const observer = new MutationObserver(function() {
     if (location.pathname !== previousUrlPath) {
         previousUrlPath = location.pathname;
-        _paq.push(['setCustomUrl', location.href]);
-        _paq.push(['trackPageView']);
+        window._paq.push(['setCustomUrl', location.href]);
+        window._paq.push(['trackPageView']);
       }
   });
   const config = {subtree: true, childList: true};