diff --git a/debug-level-conf/chrony.conf b/debug-level-conf/chrony.conf
index 617e931..82115d2 100644
--- a/debug-level-conf/chrony.conf
+++ b/debug-level-conf/chrony.conf
@@ -22,7 +22,8 @@ refclock PHC /dev/rtc0 poll 2 offset 0
 log tracking measurements statistics
 
 # sync systemclock to RTC on startup
-initstepslew 1 rtc
+initstepslew 1 rtc0
+# initstepslew 1 /dev/rtc0
 
 # Update RTC from system clock periodically
 makestep 1 3