diff --git a/sway/.config/sway/config b/sway/.config/sway/config
index b11e6f0..5d5575c 100644
--- a/sway/.config/sway/config
+++ b/sway/.config/sway/config
@@ -152,8 +152,11 @@ gaps inner 8
 # Window rules
 focus_follows_mouse no
 for_window {
-    [class="Discord"] inhibit_idle fullscreen
-    [class="Firefox"] inhibit_idle fullscreen
+    [app_id="firefox"] inhibit_idle fullscreen
+
+    # XWayland
+    [class="discord"] inhibit_idle fullscreen
+    [class="firefox"] inhibit_idle fullscreen
 }
 
 # Notification daemon