diff --git a/mptcp/files/usr/share/omr/post-tracking.d/020-status b/mptcp/files/usr/share/omr/post-tracking.d/020-status
index e917002a4..794fe063f 100755
--- a/mptcp/files/usr/share/omr/post-tracking.d/020-status
+++ b/mptcp/files/usr/share/omr/post-tracking.d/020-status
@@ -137,7 +137,7 @@ if [ -n "$OMR_TRACKER_INTERFACE" ] && ([ "$(uci -q get openmptcprouter.$OMR_TRAC
 								}
 							}
 						} || {
-							local mtu=$(omr-mtu $OMR_TRACKER_DEVICE_IP 1.1.1.1)
+							local mtu=$(omr-mtu $OMR_TRACKER_DEVICE_IP 223.5.5.5)
 							[ -n "$mtu" ] && [ "$mtu" != "$(ip --json link show dev $OMR_TRACKER_DEVICE | jsonfilter -e '@[0].mtu' | tr -d '\n')" ] && {
 								mtu=$(omr-mtu $OMR_TRACKER_DEVICE_IP $serverip)
 								[ -n "$mtu" ] && [ "$mtu" != "$(ip --json link show dev $OMR_TRACKER_DEVICE | jsonfilter -e '@[0].mtu' | tr -d '\n')" ] && {