--- rt-4.0.5/sbin/rt-setup-database.in~	2012-01-24 21:45:16.000000000 +0200
+++ rt-4.0.5/sbin/rt-setup-database.in	2012-04-23 21:25:36.000000000 +0200
@@ -302,7 +302,7 @@
 
 sub action_upgrade {
     my %args = @_;
-    my $base_dir = $args{'datadir'} || "./etc/upgrade";
+    my $base_dir = $args{'datadir'} || $RT::EtcPath . "/upgrade";
     return (0, "Couldn't read dir '$base_dir' with upgrade data")
         unless -d $base_dir || -r _;