diff --git a/candidate_relay_test.go b/candidate_relay_test.go
index e750935..c2df366 100644
--- a/candidate_relay_test.go
+++ b/candidate_relay_test.go
@@ -46,7 +46,7 @@ func TestRelayOnlyConnection(t *testing.T) {
 		Urls: []*URL{
 			{
 				Scheme:   SchemeTypeTURN,
-				Host:     "localhost",
+				Host:     "127.0.0.1",
 				Username: "username",
 				Password: "password",
 				Port:     serverPort,
diff --git a/candidate_server_reflexive_test.go b/candidate_server_reflexive_test.go
index 18cc3f2..6183414 100644
--- a/candidate_server_reflexive_test.go
+++ b/candidate_server_reflexive_test.go
@@ -42,7 +42,7 @@ func TestServerReflexiveOnlyConnection(t *testing.T) {
 		Urls: []*URL{
 			{
 				Scheme: SchemeTypeSTUN,
-				Host:   "localhost",
+				Host:   "127.0.0.1",
 				Port:   serverPort,
 			},
 		},