Index: /server/common/oursrc/accountadm/admof.in
===================================================================
--- /server/common/oursrc/accountadm/admof.in	(revision 171)
+++ /server/common/oursrc/accountadm/admof.in	(revision 172)
@@ -33,5 +33,5 @@
 
 my $uid = getpwnam $targetuser;
-if($uid <= 110) {
+if(!defined $uid || $uid <= 110) {
   error();
 }