diff --git a/virtual_feature.pl b/virtual_feature.pl
index c584273..c2544f4 100644
--- a/virtual_feature.pl
+++ b/virtual_feature.pl
@@ -224,7 +224,7 @@ sub feature_setup
 	push(@sslopts, 'ssl');
 	}
 push(@sslopts, "http2") if ($virtualmin_nginx::config{'http2'});
-if ($virtualmin_nginx::config{'listen_mode'}) {
+if ($virtualmin_nginx::config{'listen_mode'} eq '0') {
 	# Listen on all IPs
 	if (!$old_ip4 && !$old_ip6) {
 		push(@listen, { 'name' => 'listen',
@@ -496,7 +496,7 @@ sub feature_validate
 		     $l =~ /^\Q$d->{'ip'}\E:(\d+)$/ &&
 		      $d->{'web_sslport'} == $1);
 	$found++ if ($l eq $d->{'web_sslport'} &&
-		     $virtualmin_nginx::config{'listen_mode'});
+		     $virtualmin_nginx::config{'listen_mode'} eq '0');
 	}
 $found || return &virtualmin_nginx::text('feat_evalidateip',
 					 $d->{'ip'}, $d->{'web_sslport'});
@@ -508,7 +508,7 @@ sub feature_validate
 			      $l =~ /^\[\Q$d->{'ip6'}\E\]:(\d+)$/ &&
 			       $d->{'web_sslport'} == $1);
 		$found6++ if ($l eq $d->{'web_sslport'} &&
-			      $virtualmin_nginx::config{'listen_mode'});
+			      $virtualmin_nginx::config{'listen_mode'} eq '0');
 		}
 	$found6 || return &virtualmin_nginx::text('feat_evalidateip6',
 					  $d->{'ip6'}, $d->{'web_sslport'});