diff --git a/static/js/stream_edit.js b/static/js/stream_edit.js
index fa1cf16775..65e913af22 100644
--- a/static/js/stream_edit.js
+++ b/static/js/stream_edit.js
@@ -33,6 +33,7 @@ function rerender_subscribers_list(sub) {
     if (subscribers_list) {
         subscribers_list.data(emails);
         subscribers_list.render();
+        ui.update_scrollbar($(".subscriber_list_container"));
     }
 }
 
@@ -197,6 +198,8 @@ function show_subscription_settings(sub_row) {
         },
     }).init();
 
+    ui.set_up_scrollbar($(".subscriber_list_container"));
+
     sub_settings.find('input[name="principal"]').typeahead({
         source: people.get_realm_persons, // This is a function.
         items: 5,
diff --git a/static/styles/subscriptions.css b/static/styles/subscriptions.css
index cf9e65bf63..9ceec6ca9d 100644
--- a/static/styles/subscriptions.css
+++ b/static/styles/subscriptions.css
@@ -291,6 +291,7 @@ form#add_new_subscription {
 }
 
 .subscriber_list_container {
+    position: relative;
     max-height: 300px;
     overflow: auto;
     text-align: left;