diff --git a/static/js/subs.js b/static/js/subs.js
index b6d6a6e6f0..65ea8e6128 100644
--- a/static/js/subs.js
+++ b/static/js/subs.js
@@ -286,6 +286,8 @@ exports.filter_table = function (query) {
         }
     });
 
+    ui.update_scrollbar($("#subscription_overlay .streams-list"));
+
     exports.stream_name_match_stream_ids.sort(sort_by_stream_name);
     exports.stream_description_match_stream_ids.sort(sort_by_stream_name);
 
@@ -463,6 +465,9 @@ exports.launch = function (hash) {
             on_close: exports.close,
         });
         exports.change_state(hash);
+
+        ui.set_up_scrollbar($("#subscription_overlay .streams-list"));
+
     });
     if (!get_active_data().id) {
         $('#search_stream_name').focus();