1 files changed, 4 insertions, 0 deletions

diff --git a/keyboards/handwired/promethium/promethium.c b/keyboards/handwired/promethium/promethium.c
index 62e2281fa..4943f8c9f 100644
--- a/keyboards/handwired/promethium/promethium.c
+++ b/keyboards/handwired/promethium/promethium.c
@@ -36,3 +36,7 @@ void led_set_kb(uint8_t usb_led) {
     led_set_user(usb_led);
 }
 
+__attribute__ ((weak))
+void led_set_user(uint8_t usb_led) {
+}
+