diff --git a/net/mwan3/files/usr/sbin/mwan3track b/net/mwan3/files/usr/sbin/mwan3track
index d60760f3c..136b3249c 100755
--- a/net/mwan3/files/usr/sbin/mwan3track
+++ b/net/mwan3/files/usr/sbin/mwan3track
@@ -136,7 +136,7 @@ main() {
 						# https://bugs.openwrt.org/index.php?do=details&task_id=2897
 						# so get the IP address of the interface and use that instead
 						if echo $track_ip | grep -q ':'; then
-							ADDR=$(ip -6 addr ls dev "$DEVICE" | sed -ne 's/ *inet6 \([^ \/]*\).* scope global.*/\1/p')
+							ADDR=$(ip -6 addr ls dev "$DEVICE" | sed -ne '/\/128/d' -e 's/ *inet6 \([^ \/]*\).* scope global.*/\1/p')
 						fi
 						if [ $check_quality -eq 0 ]; then
 							ping -I ${ADDR:-$DEVICE} -c $count -W $timeout -s $size -t $max_ttl -q $track_ip &> /dev/null