diff --git a/frontend_tests/node_tests/user_events.js b/frontend_tests/node_tests/user_events.js
index bcac38aa11..5b821a7df9 100644
--- a/frontend_tests/node_tests/user_events.js
+++ b/frontend_tests/node_tests/user_events.js
@@ -90,12 +90,20 @@ run_test("updates", () => {
     person = people.get_by_email(isaac.email);
     assert(!person.is_guest);
 
+    user_events.update_person({
+        user_id: isaac.user_id,
+        role: settings_config.user_role_values.moderator.code,
+    });
+    person = people.get_by_email(isaac.email);
+    assert.equal(person.is_moderator, true);
+
     user_events.update_person({
         user_id: isaac.user_id,
         role: settings_config.user_role_values.admin.code,
     });
     person = people.get_by_email(isaac.email);
     assert.equal(person.full_name, "Isaac Newton");
+    assert.equal(person.is_moderator, false);
     assert.equal(person.is_admin, true);
 
     user_events.update_person({
diff --git a/static/js/user_events.js b/static/js/user_events.js
index 0352d5fb51..c2d5cbbb1d 100644
--- a/static/js/user_events.js
+++ b/static/js/user_events.js
@@ -70,6 +70,7 @@ export const update_person = function update(person) {
         person_obj.is_admin =
             person.role === settings_config.user_role_values.admin.code || person_obj.is_owner;
         person_obj.is_guest = person.role === settings_config.user_role_values.guest.code;
+        person_obj.is_moderator = person.role === settings_config.user_role_values.moderator.code;
         settings_users.update_user_data(person.user_id, person);
 
         if (people.is_my_user_id(person.user_id) && page_params.is_owner !== person_obj.is_owner) {
@@ -85,6 +86,13 @@ export const update_person = function update(person) {
             settings_profile_fields.maybe_disable_widgets();
             settings_streams.maybe_disable_widgets();
         }
+
+        if (
+            people.is_my_user_id(person.user_id) &&
+            page_params.is_moderator !== person_obj.is_moderator
+        ) {
+            page_params.is_moderator = person_obj.is_moderator;
+        }
     }
 
     if (Object.prototype.hasOwnProperty.call(person, "avatar_url")) {