diff --git a/ports/atmel-samd/boards/arduino_mkrzero/board.c b/ports/atmel-samd/boards/arduino_mkrzero/board.c
index 770bc82593..0f60736a24 100644
--- a/ports/atmel-samd/boards/arduino_mkrzero/board.c
+++ b/ports/atmel-samd/boards/arduino_mkrzero/board.c
@@ -28,8 +28,7 @@
 #include "mpconfigboard.h"
 #include "hal/include/hal_gpio.h"
 
-void board_init(void)
-{
+void board_init(void) {
 }
 
 bool board_requests_safe_mode(void) {