diff --git a/CHANGELOG b/CHANGELOG
index 8e5e209..ec3b69f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -3,6 +3,12 @@ version 2.94
 	buffer OOB read in find_soa() which is fixed in git commit
 	14094e88beca519c53151184cc4553656672b54f, released at 2.93.
 	Thanks to do litli for spotting this.
+
+	Fix erroneous behaviour of --no-dhcpv4-interface with
+	constructed DHCPv6/RA - DHCPv6 and RA are inhibited by
+	--no-dhcpv4-interface when using constructed address ranges.
+	Thanks to David Nichols for discovery, diagnosis and patch.
+	
 	
 version 2.93
 	Fix a corner-case in DNSSEC validation with wildcards. If we have
diff --git a/src/dhcp6.c b/src/dhcp6.c
index 9072884..b5350bd 100644
--- a/src/dhcp6.c
+++ b/src/dhcp6.c
@@ -720,7 +720,7 @@ static int construct_worker(struct in6_addr *local, int prefix,
     return 1;
   
   for (tmp = daemon->dhcp_except; tmp; tmp = tmp->next)
-    if (tmp->name && wildcard_match(tmp->name, ifrn_name))
+    if (tmp->name && (tmp->flags & INAME_6) && wildcard_match(tmp->name, ifrn_name))
       return 1;
 
   for (template = daemon->dhcp6; template; template = template->next)