diff --git a/keyboards/keyten/kt60_mu/config.h b/keyboards/keyten/kt60_mu/config.h
index 7547e9ed28..aa1736d36b 100644
--- a/keyboards/keyten/kt60_mu/config.h
+++ b/keyboards/keyten/kt60_mu/config.h
@@ -1,6 +1,8 @@
 // Copyright 2024 QMK
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#pragma once
+
 #define BACKLIGHT_PWM_DRIVER PWMD2
 #define BACKLIGHT_PWM_CHANNEL 4
 #define BACKLIGHT_PAL_MODE 2