From 079d681ac6f279f3a7a6be5c3734549f3be8f912 Mon Sep 17 00:00:00 2001
From: Claire <claire.github-309c@sitedethib.com>
Date: Thu, 8 Aug 2024 19:00:05 +0200
Subject: [PATCH] Fix uninitialized grouped notifications read marker on
 initial load (#31347)

---
 app/javascript/mastodon/reducers/notification_groups.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/app/javascript/mastodon/reducers/notification_groups.ts b/app/javascript/mastodon/reducers/notification_groups.ts
index 3a36023211..871f50364b 100644
--- a/app/javascript/mastodon/reducers/notification_groups.ts
+++ b/app/javascript/mastodon/reducers/notification_groups.ts
@@ -474,8 +474,11 @@ export const notificationGroupsReducer = createReducer<NotificationGroupsState>(
             state.lastReadId,
             action.payload.markers.notifications.last_read_id,
           ) < 0
-        )
+        ) {
           state.lastReadId = action.payload.markers.notifications.last_read_id;
+          state.readMarkerId =
+            action.payload.markers.notifications.last_read_id;
+        }
       })
       .addCase(mountNotifications, (state) => {
         state.mounted += 1;