diff --git a/mptcp/files/usr/bin/multipath b/mptcp/files/usr/bin/multipath
index 6125f1759..294c3aaab 100755
--- a/mptcp/files/usr/bin/multipath
+++ b/mptcp/files/usr/bin/multipath
@@ -134,7 +134,7 @@ else
         ID=$(ip mptcp endpoint show | grep "dev $DEVICE" | awk '{print $3}')
         IFF=$(ip mptcp endpoint show | grep "dev $DEVICE" | awk '{print $4}')
         IP=$(ip a show $DEVICE | sed -En 's/127.0.0.1//;s/.*inet (addr:)?(([0-9]*\.){3}[0-9]*).*/\2/p')
-        [ -z "$ID" ] && ID=$(ip mptcp endpoint show | grep "$IP" | awk '{print $3}')
+        [ -z "$ID" ] && [ -n "$IP" ] && ID=$(ip mptcp endpoint show | grep "$IP" | awk '{print $3}')
         RMID=$(ip mptcp endpoint show | grep '::ffff' | awk '{ print $3 }')
         [ -n "$RMID" ] && ip mptcp endpoint delete id $RMID 2>&1 >/dev/null
         case $TYPE in