diff --git a/static/js/popovers.js b/static/js/popovers.js
index 1301950c91..2ee6b7d42e 100644
--- a/static/js/popovers.js
+++ b/static/js/popovers.js
@@ -221,6 +221,7 @@ exports.toggle_reactions_popover = function (element, id) {
             wheelSpeed: 25,
         });
         current_message_reactions_popover_elem = elt;
+        reactions.render_reaction_show_list();
     }
 };
 
diff --git a/static/js/reactions.js b/static/js/reactions.js
index 2c5793a37e..11c3830f61 100644
--- a/static/js/reactions.js
+++ b/static/js/reactions.js
@@ -73,6 +73,15 @@ exports.toggle_reaction = function (message_id, emoji_name) {
     popovers.hide_reactions_popover();
 };
 
+var reaction_show_list = []; // local reaction_show_list
+
+exports.render_reaction_show_list = function () {
+    var reaction_list = $(".reaction-popover-reaction");
+    reaction_show_list = reaction_list.filter(function () {
+        return this.style.display === "block" || this.style.display === "";
+    }).toArray();
+};
+
 function filter_emojis() {
     var elt = $(".reaction-popover-filter").expectOne();
     var search_term = elt.val().trim();
@@ -87,6 +96,7 @@ function filter_emojis() {
     } else {
         reaction_list.css("display", "block");
     }
+    exports.render_reaction_show_list();
 }
 
 function maybe_select_emoji(e) {