diff --git a/Changelog.md b/Changelog.md
index d4679beb5..9ebd9e557 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -10,7 +10,7 @@ after you've upgraded.
 ## Refactor
 * Remove title from profile photo upload button [#7551](https://github.com/diaspora/diaspora/pull/7551)
 * Remove Internet Explorer workarounds [#7557](https://github.com/diaspora/diaspora/pull/7557)
-* Sort notifications by last interaction [#7568](https://github.com/diaspora/diaspora/pull/7568)
+* Sort notifications by last interaction [#7568](https://github.com/diaspora/diaspora/pull/7568) [#7648](https://github.com/diaspora/diaspora/pull/7648)
 * Remove tiff support from photos [#7576](https://github.com/diaspora/diaspora/pull/7576)
 * Remove reference from reshares when original post is deleted [#7578](https://github.com/diaspora/diaspora/pull/7578)
 * Merge migrations from before 0.6.0.0 to CreateSchema [#7580](https://github.com/diaspora/diaspora/pull/7580)
diff --git a/app/controllers/notifications_controller.rb b/app/controllers/notifications_controller.rb
index 62a3d44a7..736389a64 100644
--- a/app/controllers/notifications_controller.rb
+++ b/app/controllers/notifications_controller.rb
@@ -40,7 +40,7 @@ class NotificationsController < ApplicationController
 
       pager.replace(result)
     end
-    @group_days = @notifications.group_by{|note| note.created_at.strftime('%Y-%m-%d')}
+    @group_days = @notifications.group_by {|note| note.updated_at.strftime("%Y-%m-%d") }
 
     @unread_notification_count = current_user.unread_notifications.count