diff --git a/dot_config/sway/config.d/application_defaults b/dot_config/sway/config.d/application_defaults
index 8230f34..b679cf5 100644
--- a/dot_config/sway/config.d/application_defaults
+++ b/dot_config/sway/config.d/application_defaults
@@ -54,3 +54,4 @@ for_window [app_id="firefox" title="Firefox — Sharing Indicator"] kill
 # Inhibit idle
 for_window [app_id="firefox"] inhibit_idle fullscreen
 for_window [app_id="Chromium"] inhibit_idle fullscreen
+for_window [class="steam_app_582010"] inhibit_idle fullscreen