diff --git a/nsupdate.sh b/nsupdate.sh
index dd03c23..5fe991f 100755
--- a/nsupdate.sh
+++ b/nsupdate.sh
@@ -17,6 +17,7 @@ server ${KNOT}
 zone ${DOMAIN}.
 origin ${DOMAIN}.
 ttl 60
+del ${HOSTNAME}${DOT} AAAA
 add ${HOSTNAME}${DOT} AAAA ${IP6}
 send
 quit