diff --git a/src/Analytics.js b/src/Analytics.js
index fcedf43ab9..b9f969973e 100644
--- a/src/Analytics.js
+++ b/src/Analytics.js
@@ -30,6 +30,7 @@ const customVariables = {
     'App Version': 2,
     'User Type': 3,
     'Chosen Language': 4,
+    'Instance': 5,
 };
 
 
@@ -86,6 +87,10 @@ class Analytics {
 
         this._setVisitVariable('Chosen Language', getCurrentLanguage());
 
+        if (window.location.hostname === 'riot.im') {
+            this._setVisitVariable('Instance', window.location.pathname);
+        }
+
         (function() {
             const g = document.createElement('script');
             const s = document.getElementsByTagName('script')[0];