diff --git a/doc/ipv6-update.md b/doc/ipv6-update.md
index 93ada42..5295bd5 100644
--- a/doc/ipv6-update.md
+++ b/doc/ipv6-update.md
@@ -40,6 +40,9 @@ firewall rules, comment has to be "`ipv6-pool-`" and actual pool name:
 
     / ipv6 firewall address-list add address=2003:cf:2f0f:de00::/56 comment=ipv6-pool-isp list=extern;
 
+As this entry is mandatory it is created automatically if it does not exist,
+with the comment also set for list.
+
 Static DNS records need a special comment to be updated. Again it has to
 start with "`ipv6-pool-`" and actual pool name, followed by a comma,
 "`interface=`" and the name of interface this address is connected to:
diff --git a/ipv6-update b/ipv6-update
index bbe5b2d..56dbd16 100644
--- a/ipv6-update
+++ b/ipv6-update
@@ -17,6 +17,11 @@
 
 :local Pool [ / ipv6 pool get [ find where prefix=$PdPrefix ] name ];
 :local AddrList [ / ipv6 firewall address-list find where comment=("ipv6-pool-" . $Pool) ];
+:if ([ :len $AddrList ] = 0) do={
+  :log info ("Missing ipv6 address list entry for ipv6-pool-" . $Pool . ", adding.");
+  / ipv6 firewall address-list add list=("ipv6-pool-" . $Pool) address=:: comment=("ipv6-pool-" . $Pool);
+  :set AddrList [ / ipv6 firewall address-list find where comment=("ipv6-pool-" . $Pool) ];
+}
 :local OldPrefix [ / ipv6 firewall address-list get $AddrList address ];
 
 # give the interfaces a moment to receive their addresses