From a7fe5b12c38f9239b2f5c132b304c7a61cffaf1d Mon Sep 17 00:00:00 2001
From: Ilia Rostovtsev <ilia@rostovtsev.io>
Date: Mon, 20 Jul 2020 14:22:56 +0300
Subject: [PATCH] Fix use of undefined warning
 https://github.com/virtualmin/virtualmin-gpl/issues/188#issuecomment-660958393

---
 virtual_feature.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/virtual_feature.pl b/virtual_feature.pl
index 9a031fc..b36cc0f 100644
--- a/virtual_feature.pl
+++ b/virtual_feature.pl
@@ -489,7 +489,7 @@ sub feature_modify
 	# Rename log files if needed
 	my $new_alog = &virtual_server::get_apache_template_log($d, 0);
 	my $new_elog = &virtual_server::get_apache_template_log($d, 1);
-	if ($old_alog && $old_elog && $old_alog ne $new_alog) {
+	if (defined($old_alog) && defined($old_elog) && $old_alog ne $new_alog) {
 		&$virtual_server::first_print($text{'feat_modifylog'});
 		my $server = &find_domain_server($d);
 		if (!$server) {