diff --git a/keyboards/handwired/promethium/promethium.h b/keyboards/handwired/promethium/promethium.h
index c4c90176b53..e40d67e9fd3 100644
--- a/keyboards/handwired/promethium/promethium.h
+++ b/keyboards/handwired/promethium/promethium.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <stdint.h>
+#include "quantum.h"
 
 void battery_poll(uint8_t level);
 void led_set_kb(uint8_t usb_led);