diff --git a/components/drivers/rtc/alarm.c b/components/drivers/rtc/alarm.c
index 41b883b2de4c9be2c573e7ffa9488c9b2202435d..8f18fbb1070251ef9e1678a8dba6b4bc4800cf22 100644
--- a/components/drivers/rtc/alarm.c
+++ b/components/drivers/rtc/alarm.c
@@ -395,7 +395,7 @@ rt_err_t rt_alarm_control(rt_alarm_t alarm, rt_uint8_t cmd, void *arg)
     rt_mutex_take(&_container.mutex, RT_WAITING_FOREVER);
     switch (cmd)
     {
-    case RT_ALARM_MODIFY:
+    case RT_ALARM_CTRL_MODIFY:
     {
         struct rt_alarm_setup *setup;