diff --git a/zerver/tests/test_events.py b/zerver/tests/test_events.py
index efa9caabb5..0bba7f91bc 100644
--- a/zerver/tests/test_events.py
+++ b/zerver/tests/test_events.py
@@ -51,6 +51,7 @@ from zerver.lib.actions import (
     do_set_realm_message_editing,
     do_update_message,
     do_update_message_flags,
+    do_update_muted_topic,
     do_update_pointer,
     do_update_user_presence,
     do_change_twenty_four_hour_time,
@@ -626,6 +627,16 @@ class EventsRegisterTest(ZulipTestCase):
         error = muted_topics_checker('events[0]', events[0])
         self.assert_on_error(error)
 
+        events = self.do_test(lambda: do_update_muted_topic(
+            self.user_profile, "Denmark", "topic", "add"))
+        error = muted_topics_checker('events[0]', events[0])
+        self.assert_on_error(error)
+
+        events = self.do_test(lambda: do_update_muted_topic(
+            self.user_profile, "Denmark", "topic", "remove"))
+        error = muted_topics_checker('events[0]', events[0])
+        self.assert_on_error(error)
+
     def test_change_avatar_fields(self):
         # type: () -> None
         schema_checker = check_dict([