diff --git a/plugins/memcached/memcached_test.go b/plugins/memcached/memcached_test.go
index 08e696fb7..522fc7bc7 100644
--- a/plugins/memcached/memcached_test.go
+++ b/plugins/memcached/memcached_test.go
@@ -10,7 +10,7 @@ import (
 
 func TestMemcachedGeneratesMetrics(t *testing.T) {
 	m := &Memcached{
-		Servers: []string{"localhost"},
+		Servers: []string{testutil.GetLocalHost()},
 	}
 
 	var acc testutil.Accumulator
diff --git a/plugins/mysql/mysql_test.go b/plugins/mysql/mysql_test.go
index f09c0307e..e29e2e12e 100644
--- a/plugins/mysql/mysql_test.go
+++ b/plugins/mysql/mysql_test.go
@@ -1,6 +1,7 @@
 package mysql
 
 import (
+	"fmt"
 	"strings"
 	"testing"
 
@@ -11,7 +12,7 @@ import (
 
 func TestMysqlGeneratesMetrics(t *testing.T) {
 	m := &Mysql{
-		Servers: []string{"root@tcp(localhost:3306)/"},
+		Servers: []string{fmt.Sprintf("root@tcp(%s:3306)/", testutil.GetLocalHost())},
 	}
 
 	var acc testutil.Accumulator
@@ -54,7 +55,7 @@ func TestMysqlGeneratesMetrics(t *testing.T) {
 
 func TestMysqlDefaultsToLocal(t *testing.T) {
 	m := &Mysql{
-		Servers: []string{"root@tcp(localhost:3306)/"},
+		Servers: []string{fmt.Sprintf("root@tcp(%s:3306)/", testutil.GetLocalHost())},
 	}
 
 	var acc testutil.Accumulator
diff --git a/plugins/postgresql/postgresql_test.go b/plugins/postgresql/postgresql_test.go
index 775087700..f9fb2b98e 100644
--- a/plugins/postgresql/postgresql_test.go
+++ b/plugins/postgresql/postgresql_test.go
@@ -1,6 +1,7 @@
 package postgresql
 
 import (
+	"fmt"
 	"testing"
 
 	"github.com/influxdb/telegraf/testutil"
@@ -12,7 +13,7 @@ func TestPostgresqlGeneratesMetrics(t *testing.T) {
 	p := &Postgresql{
 		Servers: []*Server{
 			{
-				Address:   "host=localhost user=postgres sslmode=disable",
+				Address:   fmt.Sprintf("host=%s user=postgres sslmode=disable", testutil.GetLocalHost()),
 				Databases: []string{"postgres"},
 			},
 		},
@@ -57,7 +58,7 @@ func TestPostgresqlTagsMetricsWithDatabaseName(t *testing.T) {
 	p := &Postgresql{
 		Servers: []*Server{
 			{
-				Address:   "host=localhost user=postgres sslmode=disable",
+				Address:   fmt.Sprintf("host=%s user=postgres sslmode=disable", testutil.GetLocalHost()),
 				Databases: []string{"postgres"},
 			},
 		},
@@ -78,7 +79,7 @@ func TestPostgresqlDefaultsToAllDatabases(t *testing.T) {
 	p := &Postgresql{
 		Servers: []*Server{
 			{
-				Address: "host=localhost user=postgres sslmode=disable",
+				Address: fmt.Sprintf("host=%s user=postgres sslmode=disable", testutil.GetLocalHost()),
 			},
 		},
 	}