diff --git a/rotate-ntp b/rotate-ntp
index 83bf90a..dd3483a 100644
--- a/rotate-ntp
+++ b/rotate-ntp
@@ -29,4 +29,4 @@
 }
 
 $LogPrintExit2 info $0 ("Updating NTP servers to " . $Ntp1 . " and " . $Ntp2) false;
-/ system ntp client set primary-ntp=$Ntp1 secondary-ntp=$Ntp2;
+/ system ntp client set servers=($Ntp1, $Ntp2);