Index: trunk/dns.cgi
===================================================================
--- trunk/dns.cgi	(revision 290)
+++ trunk/dns.cgi	(revision 291)
@@ -1006,5 +1006,5 @@
   }
 
-  if ($webvar{grpaction} eq 'updperms') {
+  if ($webvar{grpaction} && $webvar{grpaction} eq 'updperms') {
     # extra safety check;  make sure user can't construct a URL to bypass ACLs
     my %curperms;