diff --git a/regress/lib.sh b/regress/lib.sh
index 572595b..8cd41d1 100644
--- a/regress/lib.sh
+++ b/regress/lib.sh
@@ -11,6 +11,7 @@ gghost=
 
 run_test() {
 	ggflags=
+	host="$REGRESS_HOST"
 	port=10965
 	config_common="log syslog off"
 	hdr=
@@ -67,7 +68,7 @@ server "$server_name" {
 	cert "$PWD/localhost.pem"
 	key  "$PWD/localhost.key"
 	root "$PWD/testdata"
-	listen on $REGRESS_HOST port $port
+	listen on $host port $port
 	$2
 }
 EOF
@@ -82,7 +83,7 @@ set_proxy() {
 server "localhost.local" {
 	cert "$PWD/localhost.pem"
 	key "$PWD/localhost.key"
-	listen on $REGRESS_HOST port $port
+	listen on $host port $port
 	proxy {
 		relay-to localhost port $port
 		$1
diff --git a/regress/tests.sh b/regress/tests.sh
index b5f62e0..f06fdf2 100644
--- a/regress/tests.sh
+++ b/regress/tests.sh
@@ -322,7 +322,7 @@ server "localhost" {
 	cert \$pwd "/localhost.pem"
 	key  \$pwd "/localhost.key"
 	root \$pwd "/testdata"
-	listen on $REGRESS_HOST port $port
+	listen on $host port $port
 	@common
 }
 EOF
@@ -433,6 +433,7 @@ log style legacy'
 
 test_ip_addr() {
 	server_name="*"
+	host="127.0.0.1"
 	gghost=127.0.0.1
 	ggflags=-N
 	setup_simple_test