1 files changed, 1 insertions, 1 deletions
diff --git a/stm/led.h b/stm/led.h
index 6ee582ac3..c4b68196b 100644
--- a/stm/led.h
+++ b/stm/led.h
@@ -5,6 +5,6 @@ typedef enum {
     PYB_LED_G2 = 3,
 } pyb_led_t;
 
-void led_init();
+void led_init(void);
 void led_state(pyb_led_t led, int state);
 void led_toggle(pyb_led_t led);