diff --git a/static/js/popovers.js b/static/js/popovers.js
index 988767fe4f..f6b782d76e 100644
--- a/static/js/popovers.js
+++ b/static/js/popovers.js
@@ -1066,10 +1066,10 @@ exports.any_active = function () {
         $("[class^='column-'].expanded").length;
 };
 
-// This function will hide all true popovers (the userlist sidebar
-// uses the popover infrastructure, but doesn't work like a popover
-// structurally).
-exports.hide_all_except_userlist_sidebar = function () {
+// This function will hide all true popovers (the streamlist and
+// userlist sidebars use the popover infrastructure, but doesn't work
+// like a popover structurally).
+exports.hide_all_except_sidebars = function () {
     $('.has_popover').removeClass('has_popover has_actions_popover has_emoji_popover');
     popovers.hide_actions_popover();
     popovers.hide_message_info_popover();
@@ -1080,7 +1080,6 @@ exports.hide_all_except_userlist_sidebar = function () {
     stream_popover.hide_starred_messages_popover();
     popovers.hide_user_sidebar_popover();
     popovers.hide_mobile_message_buttons_popover();
-    stream_popover.restore_stream_list_size();
     popovers.hide_user_profile();
 
     // look through all the popovers that have been added and removed.
@@ -1092,11 +1091,12 @@ exports.hide_all_except_userlist_sidebar = function () {
     list_of_popovers = [];
 };
 
-// This function will hide all the popovers, including the userlist
-// sidebar.
+// This function will hide all the popovers, including the mobile web
+// or narrow window sidebars.
 exports.hide_all = function () {
     popovers.hide_userlist_sidebar();
-    popovers.hide_all_except_userlist_sidebar();
+    stream_popover.restore_stream_list_size();
+    popovers.hide_all_except_sidebars();
 };
 
 exports.set_userlist_placement = function (placement) {
diff --git a/static/js/topic_zoom.js b/static/js/topic_zoom.js
index cd4842c8d1..c05bfdf8a0 100644
--- a/static/js/topic_zoom.js
+++ b/static/js/topic_zoom.js
@@ -11,7 +11,7 @@ exports.is_zoomed_in = function () {
 function zoom_in() {
     var stream_id = topic_list.active_stream_id();
 
-    popovers.hide_all();
+    popovers.hide_all_except_sidebars();
     topic_list.zoom_in();
     stream_list.zoom_in_topics({
         stream_id: stream_id,
@@ -23,7 +23,7 @@ function zoom_in() {
 exports.zoom_out = function () {
     var stream_li = topic_list.get_stream_li();
 
-    popovers.hide_all();
+    popovers.hide_all_except_sidebars();
     topic_list.zoom_out();
     stream_list.zoom_out_topics();