diff --git a/web/src/compose_validate.js b/web/src/compose_validate.js
index e6b7b953cc..a40cfcaa4b 100644
--- a/web/src/compose_validate.js
+++ b/web/src/compose_validate.js
@@ -5,6 +5,7 @@ import render_compose_banner from "../templates/compose_banner/compose_banner.hb
 import render_not_subscribed_warning from "../templates/compose_banner/not_subscribed_warning.hbs";
 import render_private_stream_warning from "../templates/compose_banner/private_stream_warning.hbs";
 import render_stream_wildcard_warning from "../templates/compose_banner/stream_wildcard_warning.hbs";
+import render_wildcard_mention_not_allowed_error from "../templates/compose_banner/wildcard_mention_not_allowed_error.hbs";
 import render_compose_limit_indicator from "../templates/compose_limit_indicator.hbs";
 
 import * as channel from "./channel";
@@ -446,14 +447,12 @@ export function validate_stream_message_mentions(opts) {
         subscriber_count > stream_wildcard_mention_large_stream_threshold
     ) {
         if (!stream_wildcard_mention_allowed_in_large_stream()) {
-            compose_banner.show_error_message(
-                $t({
-                    defaultMessage:
-                        "You do not have permission to use stream wildcard mentions in this stream.",
-                }),
-                compose_banner.CLASSNAMES.wildcards_not_allowed,
-                opts.$banner_container,
-            );
+            const new_row = render_wildcard_mention_not_allowed_error({
+                banner_type: compose_banner.ERROR,
+                classname: compose_banner.CLASSNAMES.wildcards_not_allowed,
+                stream_wildcard_mention: opts.stream_wildcard_mention,
+            });
+            compose_banner.append_compose_banner_to_banner_list(new_row, opts.$banner_container);
             return false;
         }
 
diff --git a/web/templates/compose_banner/wildcard_mention_not_allowed_error.hbs b/web/templates/compose_banner/wildcard_mention_not_allowed_error.hbs
new file mode 100644
index 0000000000..3b1d861cd3
--- /dev/null
+++ b/web/templates/compose_banner/wildcard_mention_not_allowed_error.hbs
@@ -0,0 +1,5 @@
+{{#> compose_banner }}
+    <p class="banner_message">
+        {{#tr}}You do not have permission to use <b>@{stream_wildcard_mention}</b> mentions in this stream.{{/tr}}
+    </p>
+{{/compose_banner}}
diff --git a/web/tests/compose_validate.test.js b/web/tests/compose_validate.test.js
index 1273e91c0e..be04ba10fc 100644
--- a/web/tests/compose_validate.test.js
+++ b/web/tests/compose_validate.test.js
@@ -431,15 +431,9 @@ test_ui("validate_stream_message", ({override_rewire, mock_template}) => {
     assert.ok(stream_wildcard_warning_rendered);
 
     let wildcards_not_allowed_rendered = false;
-    mock_template("compose_banner/compose_banner.hbs", false, (data) => {
+    mock_template("compose_banner/wildcard_mention_not_allowed_error.hbs", false, (data) => {
         assert.equal(data.classname, compose_banner.CLASSNAMES.wildcards_not_allowed);
-        assert.equal(
-            data.banner_text,
-            $t({
-                defaultMessage:
-                    "You do not have permission to use stream wildcard mentions in this stream.",
-            }),
-        );
+        assert.equal(data.stream_wildcard_mention, "all");
         wildcards_not_allowed_rendered = true;
     });
     override_rewire(