diff --git a/sway/.config/sway/config b/sway/.config/sway/config
index b7741f7..8a218d4 100644
--- a/sway/.config/sway/config
+++ b/sway/.config/sway/config
@@ -151,9 +151,10 @@ gaps inner 8
 
 # Window rules
 focus_follows_mouse no
-
-for_window [app_id="discord"] inhibit_idle fullscreen
-for_window [app_id="firefox"] inhibit_idle fullscreen
+for_window {
+    [class="Discord"] inhibit_idle fullscreen
+    [class="Firefox"] inhibit_idle fullscreen
+}
 
 # Notification daemon
 exec mako