diff --git a/static/js/muting_ui.js b/static/js/muting_ui.js
index 3129293a7a..d9168de1a2 100644
--- a/static/js/muting_ui.js
+++ b/static/js/muting_ui.js
@@ -45,9 +45,9 @@ export function rerender_for_muted_topic(old_muted_topics) {
     }
 }
 
-export function handle_topic_updates(muted_topics) {
+export function handle_topic_updates(muted_topics_list) {
     const old_muted_topics = muted_topics.get_muted_topics();
-    muted_topics.set_muted_topics(muted_topics);
+    muted_topics.set_muted_topics(muted_topics_list);
     stream_popover.hide_topic_popover();
     unread_ui.update_unread_counts();
     rerender_for_muted_topic(old_muted_topics);