diff --git a/app/javascript/mastodon/reducers/notifications.js b/app/javascript/mastodon/reducers/notifications.js
index 0644d4781..c84f2b60c 100644
--- a/app/javascript/mastodon/reducers/notifications.js
+++ b/app/javascript/mastodon/reducers/notifications.js
@@ -52,7 +52,7 @@ const notificationToMap = notification => ImmutableMap({
   account: notification.account.id,
   created_at: notification.created_at,
   status: notification.status ? notification.status.id : null,
-  reaction: ImmutableMap(notification.reaction),
+  emoji_reaction: ImmutableMap(notification.emoji_reaction),
   reblogVisibility: notification.reblog_visibility,
 });