diff --git a/web/src/echo.js b/web/src/echo.js
index 7a54bbf4e4..6a36d01737 100644
--- a/web/src/echo.js
+++ b/web/src/echo.js
@@ -472,10 +472,9 @@ function abort_message(message) {
 }
 
 export function display_slow_send_loading_spinner(message) {
-    const message_list_id = message_lists.current.id;
-    const $row = $(`#message-row-${message_list_id}-${CSS.escape(message.id)}`);
+    const $rows = message_lists.all_rendered_row_for_message_id(message.id);
     if (message.locally_echoed && !message.failed_request) {
-        $row.find(".slow-send-spinner").removeClass("hidden");
+        $rows.find(".slow-send-spinner").removeClass("hidden");
         // We don't need to do anything special to ensure this gets
         // cleaned up if the message is delivered, because the
         // message's HTML gets replaced once the message is
diff --git a/web/src/message_lists.ts b/web/src/message_lists.ts
index 87728a27bb..6db98497eb 100644
--- a/web/src/message_lists.ts
+++ b/web/src/message_lists.ts
@@ -1,3 +1,4 @@
+import $ from "jquery";
 import assert from "minimalistic-assert";
 
 import * as blueslip from "./blueslip";
@@ -70,6 +71,14 @@ export function all_rendered_message_lists(): MessageList[] {
     return rendered_message_lists;
 }
 
+export function all_rendered_row_for_message_id(message_id: number): JQuery {
+    let $rows = $();
+    for (const msg_list of all_rendered_message_lists()) {
+        $rows = $rows.add(msg_list.get_row(message_id));
+    }
+    return $rows;
+}
+
 export function all_current_message_rows(): JQuery {
     assert(current !== undefined);
     return current.view.$list.find(".message_row");
diff --git a/web/src/reactions.js b/web/src/reactions.js
index d4d71c9e7a..5242af5caf 100644
--- a/web/src/reactions.js
+++ b/web/src/reactions.js
@@ -203,10 +203,8 @@ export function get_reaction_title_data(message_id, local_id) {
 }
 
 export function get_reaction_section(message_id) {
-    const message_list_id = message_lists.current.id;
-    return $(`#message-row-${message_list_id}-${CSS.escape(message_id)}`).find(
-        ".message_reactions",
-    );
+    const $rows = message_lists.all_rendered_row_for_message_id(message_id);
+    return $rows.find(".message_reactions");
 }
 
 export function find_reaction(message_id, local_id) {
diff --git a/web/tests/reactions.test.js b/web/tests/reactions.test.js
index e2913a670d..7b68818f01 100644
--- a/web/tests/reactions.test.js
+++ b/web/tests/reactions.test.js
@@ -44,10 +44,13 @@ const settings_data = mock_esm("../src/settings_data");
 const spectators = mock_esm("../src/spectators", {
     login_to_access() {},
 });
-mock_esm("../src/message_lists", {
+const message_lists = mock_esm("../src/message_lists", {
     current: {
         id: 1,
     },
+    home: {
+        id: 2,
+    },
 });
 
 set_global("document", "document-stub");
@@ -417,6 +420,7 @@ test("prevent_simultaneous_requests_updating_reaction", ({override, override_rew
 function stub_reactions(message_id) {
     const $message_reactions = $.create("reactions-stub");
     const $message_row = $.create(`#message-row-1-${CSS.escape(message_id)}`);
+    message_lists.all_rendered_row_for_message_id = () => $message_row;
     $message_row.set_find_results(".message_reactions", $message_reactions);
     return $message_reactions;
 }