diff --git a/app/javascript/mastodon/features/hashtag_timeline/index.js b/app/javascript/mastodon/features/hashtag_timeline/index.js
index ba6dbe6e5f0..3b2f1ba93b1 100644
--- a/app/javascript/mastodon/features/hashtag_timeline/index.js
+++ b/app/javascript/mastodon/features/hashtag_timeline/index.js
@@ -60,7 +60,7 @@ class HashtagTimeline extends React.PureComponent {
       received (data) {
         switch(data.event) {
         case 'update':
-          dispatch(updateTimeline('tag', JSON.parse(data.payload)));
+          dispatch(updateTimeline(`hashtag:${id}`, JSON.parse(data.payload)));
           break;
         case 'delete':
           dispatch(deleteFromTimelines(data.payload));