diff --git a/lib/Apache/Qpsmtpd.pm b/lib/Apache/Qpsmtpd.pm
index 5161301..edb28c5 100644
--- a/lib/Apache/Qpsmtpd.pm
+++ b/lib/Apache/Qpsmtpd.pm
@@ -90,8 +90,10 @@ sub run {
 }
 
 sub config_dir {
-    my $self = shift;
-    return "$self->{qpdir}/config";
+    my ($self, $config) = @_;
+    -e "$_/$config" and return $_
+        for "$self->{qpdir}/config";
+    return "/var/qmail/control";
 }
 
 sub plugin_dir {