diff --git a/assets/l10n/app_en.arb b/assets/l10n/app_en.arb
index 2570578b6f..05598dab42 100644
--- a/assets/l10n/app_en.arb
+++ b/assets/l10n/app_en.arb
@@ -140,7 +140,7 @@
   "@unsubscribeConfirmationDialogTitle": {
     "description": "Title for a confirmation dialog for unsubscribing from a channel.",
     "placeholders": {
-      "channelName": {"type": "String", "example": "mobile"}
+      "channelName": {"type": "String", "example": "#mobile"}
     }
   },
   "unsubscribeConfirmationDialogMessageCannotResubscribe": "Once you leave this channel, you will not be able to rejoin.",
diff --git a/lib/widgets/action_sheet.dart b/lib/widgets/action_sheet.dart
index 5d233a527f..96f365d409 100644
--- a/lib/widgets/action_sheet.dart
+++ b/lib/widgets/action_sheet.dart
@@ -647,7 +647,7 @@ class UnsubscribeButton extends ActionSheetMenuItemButton {
       final zulipLocalizations = ZulipLocalizations.of(pageContext);
 
       final dialog = showSuggestedActionDialog(context: pageContext,
-        title: zulipLocalizations.unsubscribeConfirmationDialogTitle(subscription.name),
+        title: zulipLocalizations.unsubscribeConfirmationDialogTitle('#${subscription.name}'),
         message: zulipLocalizations.unsubscribeConfirmationDialogMessageCannotResubscribe,
         destructiveActionButton: true,
         actionButtonText: zulipLocalizations.unsubscribeConfirmationDialogConfirmButton);
diff --git a/test/widgets/action_sheet_test.dart b/test/widgets/action_sheet_test.dart
index e03e102cf5..8107b6fbcb 100644
--- a/test/widgets/action_sheet_test.dart
+++ b/test/widgets/action_sheet_test.dart
@@ -599,7 +599,7 @@ void main() {
         await tester.pump();
 
         final (unsubscribeButton, cancelButton) = checkSuggestedActionDialog(tester,
-          expectedTitle: 'Unsubscribe from ${channel.name}?',
+          expectedTitle: 'Unsubscribe from #${channel.name}?',
           expectedMessage: 'Once you leave this channel, you will not be able to rejoin.',
           expectDestructiveActionButton: true,
           expectedActionButtonText: 'Unsubscribe');