diff --git a/app/controllers/notifications/trays_controller.rb b/app/controllers/notifications/trays_controller.rb
index 4a7e9ca62..26a1f06e5 100644
--- a/app/controllers/notifications/trays_controller.rb
+++ b/app/controllers/notifications/trays_controller.rb
@@ -2,6 +2,8 @@ class Notifications::TraysController < ApplicationController
   def show
     @notifications = Current.user.notifications.unread.ordered.limit(100)
 
-    fresh_when @notifications
+    # Invalidate on the whole set instead of the unread set since the max updated at in the unread set
+    # can stay the same when reading old notifications.
+    fresh_when Current.user.notifications
   end
 end