diff --git a/home-manager/linux/programs/sway.nix b/home-manager/linux/programs/sway.nix
index b5abbdd..9c296f9 100644
--- a/home-manager/linux/programs/sway.nix
+++ b/home-manager/linux/programs/sway.nix
@@ -234,6 +234,7 @@ in with lib; {
         'chrome-messenger.com__-Default' = ''
         'chrome-localhost__iris_-Default' = ''
         'org.jellyfin.' = ''
+        'Mattermost' = ''
       '';
     };
     ## layman