diff --git a/bind8/create_slave.cgi b/bind8/create_slave.cgi
index 7b8f63604..b978334a8 100755
--- a/bind8/create_slave.cgi
+++ b/bind8/create_slave.cgi
@@ -78,6 +78,7 @@ if ($in{'file_def'} == 0) {
 		&error(&text('create_efile2', $file));
 	}
 elsif ($in{'file_def'} == 2) {
+	# Automatically choose a filename
 	$file = &automatic_filename($in{'zone'}, $in{'rev'}, $base,
 				    $view ? $view->{'value'} : undef);
 	}
diff --git a/bind8/slave_form.cgi b/bind8/slave_form.cgi
index d48eb5355..a2ef5223f 100755
--- a/bind8/slave_form.cgi
+++ b/bind8/slave_form.cgi
@@ -39,7 +39,7 @@ if (@views) {
 print &ui_table_row($text{'slave_file'},
 	&ui_radio("file_def", 2, [ [ 1, $text{'slave_none'} ],
 				   [ 2, $text{'slave_auto'} ],
-				   [ 3, &ui_filebox("file", undef, 30) ] ]), 3);
+				   [ 0, &ui_filebox("file", undef, 30) ] ]), 3);
 
 # Master servers
 print &ui_table_row($text{'slave_masters'},