--- deliantra/server/ext/NPC_Dialogue.pm	2009/10/26 02:48:02	1.16
+++ deliantra/server/ext/NPC_Dialogue.pm	2009/10/26 02:55:07	1.17
@@ -351,7 +351,8 @@
 
                } elsif ($cmd eq "ifflag") {
                   my ($name, $value) = split /\s+/, $args, 2;
-                  $flag->{$name} eq $value
+                  defined $value ? $flag->{$name} eq $value
+                                 : $flag->{$name}
                      or next topic;
 
                } elsif ($cmd eq "ifstate") {