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 87f06001c..3d3f28e35 100755
--- a/mptcp/files/usr/share/omr/post-tracking.d/020-status
+++ b/mptcp/files/usr/share/omr/post-tracking.d/020-status
@@ -129,15 +129,21 @@ if [ -n "$OMR_TRACKER_INTERFACE" ] && ([ "$(uci -q get openmptcprouter.$OMR_TRAC
 					elif [ -n "$OMR_TRACKER_DEVICE_IP" ]; then
 						[ -n "$serverip" ] && [ "$serverip" != "127.0.0.1" ] && {
 							local mtu=$(omr-mtu $OMR_TRACKER_DEVICE_IP $serverip)
-							[ -n "$mtu" ] && {
-								uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.mtu=$mtu
-								ip link set dev $OMR_TRACKER_DEVICE mtu $mtu > /dev/null 2>&1
+							[ -n "$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 $OMR_TRACKER_DEVICE | jsonfilter -e '@[0].mtu' | tr -d '\n')" ] && {
+									uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.mtu=$mtu
+									ip link set dev $OMR_TRACKER_DEVICE mtu $mtu > /dev/null 2>&1
+								}
 							}
 						} || {
 							local mtu=$(omr-mtu $OMR_TRACKER_DEVICE_IP 1.1.1.1)
-							[ -n "$mtu" ] && {
-								uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.mtu=$mtu
-								ip link set dev $OMR_TRACKER_DEVICE mtu $mtu > /dev/null 2>&1
+							[ -n "$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 $OMR_TRACKER_DEVICE | jsonfilter -e '@[0].mtu' | tr -d '\n')" ] && {
+									uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.mtu=$mtu
+									ip link set dev $OMR_TRACKER_DEVICE mtu $mtu > /dev/null 2>&1
+								}
 							}
 						}
 					fi