diff --git a/ports/nrf/drivers/softpwm.c b/ports/nrf/drivers/softpwm.c
index 22564f7d0a..907f987481 100644
--- a/ports/nrf/drivers/softpwm.c
+++ b/ports/nrf/drivers/softpwm.c
@@ -79,7 +79,7 @@ static const pwm_events OFF_EVENTS = {
 #define active_events MP_STATE_PORT(pwm_active_events)
 #define pending_events MP_STATE_PORT(pwm_pending_events)
 
-void softpwm_init(void) {
+void softpwm_init0(void) {
     active_events = &OFF_EVENTS;
     pending_events = NULL;
 }
diff --git a/ports/nrf/drivers/softpwm.h b/ports/nrf/drivers/softpwm.h
index a73c15cd85..22dad45858 100644
--- a/ports/nrf/drivers/softpwm.h
+++ b/ports/nrf/drivers/softpwm.h
@@ -1,7 +1,7 @@
 #ifndef __MICROPY_INCLUDED_LIB_PWM_H__
 #define __MICROPY_INCLUDED_LIB_PWM_H__
 
-void softpwm_init(void);
+void softpwm_init0(void);
 void pwm_start(void);
 void pwm_stop(void);