diff --git a/gen-pmg.conf.5-opts.pl b/gen-pmg.conf.5-opts.pl
index 72ee379..6f16e71 100755
--- a/gen-pmg.conf.5-opts.pl
+++ b/gen-pmg.conf.5-opts.pl
@@ -70,6 +70,7 @@ my $key_groups = {
 	    dkim_selector => 1,
 	    dkim_sign => 1,
 	    dkim_sign_all_mail => 1,
+	    'dkim-use-domain' => 1,
 	}],
 };