diff --git a/app/assets/javascripts/discourse/widgets/topic-map.js.es6 b/app/assets/javascripts/discourse/widgets/topic-map.js.es6
index aca0c8aae2..7d4c89c0b3 100644
--- a/app/assets/javascripts/discourse/widgets/topic-map.js.es6
+++ b/app/assets/javascripts/discourse/widgets/topic-map.js.es6
@@ -159,7 +159,8 @@ createWidget('topic-map-expanded', {
         if (l.title && l.title.length) {
           const domain = l.domain;
           if (domain && domain.length) {
-            host = h('span.domain', domain);
+            const s = domain.split('.');
+            host = h('span.domain', s[s.length-2] + "." + s[s.length-1]);
           }
         }