diff --git a/docs/_templates/piwik-config.js b/docs/_templates/piwik-config.js
index c82f159b..ad24c9f6 100644
--- a/docs/_templates/piwik-config.js
+++ b/docs/_templates/piwik-config.js
@@ -1,5 +1,5 @@
-var _paq = _paq || [];
-_paq.push(['trackPageView']);
-_paq.push(['enableLinkTracking']);
-_paq.push(['enableHeartBeatTimer', 30]);
-_paq.push(['setSiteId', 6]);
+window._paq = [];
+window._paq.push(['trackPageView']);
+window._paq.push(['enableLinkTracking']);
+window._paq.push(['enableHeartBeatTimer', 30]);
+window._paq.push(['setSiteId', 6]);