diff --git a/docs/changelog.d/sway-inhibit-idle-fullscreen.bugfix.md b/docs/changelog.d/sway-inhibit-idle-fullscreen.bugfix.md
new file mode 100644
index 0000000..309bd9e
--- /dev/null
+++ b/docs/changelog.d/sway-inhibit-idle-fullscreen.bugfix.md
@@ -0,0 +1 @@
+Inhibit swayidle lock screen when a fullscreen window is active on ringtail, preventing screen lock during gamepad-only gaming sessions.
diff --git a/nixos/ringtail/configuration.nix b/nixos/ringtail/configuration.nix
index 1282c11..fd93c39 100644
--- a/nixos/ringtail/configuration.nix
+++ b/nixos/ringtail/configuration.nix
@@ -213,6 +213,10 @@ in
         window = {
           border = 2;
           titlebar = false;
+          commands = [
+            { command = "inhibit_idle fullscreen"; criteria = { class = ".*"; }; }
+            { command = "inhibit_idle fullscreen"; criteria = { app_id = ".*"; }; }
+          ];
         };
         colors = {
           focused = {