diff --git a/samples/tutorials/go/columnstore.go b/samples/tutorials/go/columnstore.go
index bf8883f4..51e80458 100644
--- a/samples/tutorials/go/columnstore.go
+++ b/samples/tutorials/go/columnstore.go
@@ -9,11 +9,13 @@ import (
 	_ "github.com/denisenkom/go-mssqldb"
 )
 
-var server = "localhost"
-var port = 1433
-var user = "sa"
-var password = "your_password"
-var database = "SampleDB"
+var (
+	server   = "localhost"
+	port     = 1433
+	user     = "sa"
+	password = "your_password"
+	database = "SampleDB"
+)
 
 // Delete an employee from database
 func ExecuteAggregateStatement(db *sql.DB) {
diff --git a/samples/tutorials/go/connect.go b/samples/tutorials/go/connect.go
index 7f76c988..bcea682c 100644
--- a/samples/tutorials/go/connect.go
+++ b/samples/tutorials/go/connect.go
@@ -8,10 +8,12 @@ import (
 	_ "github.com/denisenkom/go-mssqldb"
 )
 
-var server = "localhost"
-var port = 1433
-var user = "sa"
-var password = "your_password"
+var (
+	server   = "localhost"
+	port     = 1433
+	user     = "sa"
+	password = "your_password"
+)
 
 func main() {
 	connString := fmt.Sprintf("server=%s;user id=%s;password=%s;port=%d",
diff --git a/samples/tutorials/go/crud.go b/samples/tutorials/go/crud.go
index ca5637bd..4ae8ab44 100644
--- a/samples/tutorials/go/crud.go
+++ b/samples/tutorials/go/crud.go
@@ -8,11 +8,13 @@ import (
 	_ "github.com/denisenkom/go-mssqldb"
 )
 
-var server = "localhost"
-var port = 1433
-var user = "sa"
-var password = "your_password"
-var database = "SampleDB"
+var (
+	server   = "localhost"
+	port     = 1433
+	user     = "sa"
+	password = "your_password"
+	database = "SampleDB"
+)
 
 // Create an employee
 func CreateEmployee(db *sql.DB, name string, location string) (int64, error) {
diff --git a/samples/tutorials/go/orm.go b/samples/tutorials/go/orm.go
index 61ed4349..7b7333a5 100644
--- a/samples/tutorials/go/orm.go
+++ b/samples/tutorials/go/orm.go
@@ -7,11 +7,13 @@ import (
 	_ "github.com/jinzhu/gorm/dialects/mssql"
 )
 
-var server = "localhost"
-var port = 1433
-var user = "sa"
-var password = "your_password"
-var database = "SampleDB"
+var (
+	server   = "localhost"
+	port     = 1433
+	user     = "sa"
+	password = "your_password"
+	database = "SampleDB"
+)
 
 type User struct {
 	gorm.Model