diff --git a/package/utils/busybox/files/sysntpd b/package/utils/busybox/files/sysntpd
index c4c311c242..074f14b8f8 100755
--- a/package/utils/busybox/files/sysntpd
+++ b/package/utils/busybox/files/sysntpd
@@ -56,7 +56,14 @@ start_ntpd_instance() {
 	procd_set_param command "$PROG" -n -N
 	if [ "$enable_server" = "1" ]; then
 		procd_append_param command -l
-		[ -n "$interface" ] && procd_append_param command -I $interface
+		[ -n "$interface" ] && {
+			local ifname
+
+			network_get_device ifname "$interface" || \
+				ifname="$interface"
+			procd_append_param command -I "$ifname"
+			procd_append_param netdev "$ifname"
+		}
 	fi
 	[ -x "$HOTPLUG_SCRIPT" ] && procd_append_param command -S "$HOTPLUG_SCRIPT"
 	for peer in $server; do
@@ -79,11 +86,12 @@ start_ntpd_instance() {
 }
 
 start_service() {
+	. /lib/functions/network.sh
 	validate_ntp_section ntp start_ntpd_instance
 }
 
 service_triggers() {
-	local script name use_dhcp
+	local script name use_dhcp enable_server interface
 
 	script=$(readlink -f "$initscript")
 	name=$(basename ${script:-$initscript})
@@ -106,5 +114,17 @@ service_triggers() {
 		fi
 	}
 
+	config_get_bool enable_server ntp enable_server 0
+	config_get interface ntp interface
+
+	[ $enable_server -eq 1 ] && [ -n "$interface" ] && {
+		local ifname
+
+		network_get_device ifname "$interface" || \
+			ifname="$interface"
+		procd_add_interface_trigger "interface.*" "$ifname" \
+			/etc/init.d/"$name" reload
+	}
+
 	procd_add_validation validate_ntp_section
 }