diff --git a/ports/nrf/boards/microbit/modules/modmicrobit.c b/ports/nrf/boards/microbit/modules/modmicrobit.c
index df782f4a2b..efabb228a2 100644
--- a/ports/nrf/boards/microbit/modules/modmicrobit.c
+++ b/ports/nrf/boards/microbit/modules/modmicrobit.c
@@ -110,7 +110,7 @@ STATIC mp_obj_t microbit_temperature(void) {
 MP_DEFINE_CONST_FUN_OBJ_0(microbit_temperature_obj, microbit_temperature);
 
 void board_modules_init0(void) {
-	ticker_register_low_pri_callback(microbit_display_tick);
+    ticker_register_low_pri_callback(microbit_display_tick);
 }
 
 STATIC const mp_rom_map_elem_t microbit_module_globals_table[] = {