diff --git a/third_party/matomo/includeMatomo.js b/third_party/matomo/includeMatomo.js
index 3bde68517e7a035692c287243b0dec4f54974497..31781b8ec1be7f5e2317b21a80e0d427c2e50f32 100644
--- a/third_party/matomo/includeMatomo.js
+++ b/third_party/matomo/includeMatomo.js
@@ -1,4 +1,5 @@
 if (MATOMO_URL && MATOMO_ID) {
+  window['_paq'] = [];
   const _paq = window['_paq'] || [];
   /* tracker methods like "setCustomDimension" should be called before "trackPageView" */