diff --git a/prefork.go b/prefork.go
index 11548e9f..c5afa5b8 100644
--- a/prefork.go
+++ b/prefork.go
@@ -21,7 +21,7 @@ const (
 
 var (
 	testPreforkMaster = false
-	dummyChildCmd     = "date"
+	dummyChildCmd     = "go"
 )
 
 // IsChild determines if the current process is a result of Prefork
@@ -89,11 +89,11 @@ func (app *App) prefork(addr string, tlsconfig ...*tls.Config) (err error) {
 			// When test prefork master,
 			// just start the child process
 			// a cmd on all os is best
-			// if runtime.GOOS == "windows" {
-			// 	cmd = exec.Command("cmd", "/C", dummyChildCmd)
-			// } else {
-			// 	cmd = exec.Command(dummyChildCmd)
-			// }
+			if runtime.GOOS == "windows" {
+				cmd = exec.Command("cmd", "/C", dummyChildCmd, "version")
+			} else {
+				cmd = exec.Command(dummyChildCmd, "version")
+			}
 		}
 		cmd.Stdout = os.Stdout
 		cmd.Stderr = os.Stderr
diff --git a/prefork_test.go b/prefork_test.go
index f761ea54..2e850dfa 100644
--- a/prefork_test.go
+++ b/prefork_test.go
@@ -1,40 +1,48 @@
 package fiber
 
-// func Test_App_Prefork_Child_Process(t *testing.T) {
-// 	utils.AssertEqual(t, nil, os.Setenv(envPreforkChildKey, envPreforkChildVal))
-// 	defer os.Setenv(envPreforkChildKey, "")
+import (
+	"os"
+	"testing"
+	"time"
 
-// 	app := New()
-// 	app.Settings.DisableStartupMessage = true
-// 	app.init()
+	utils "github.com/gofiber/utils"
+)
 
-// 	err := app.prefork("invalid")
-// 	utils.AssertEqual(t, false, err == nil)
+func Test_App_Prefork_Child_Process(t *testing.T) {
+	utils.AssertEqual(t, nil, os.Setenv(envPreforkChildKey, envPreforkChildVal))
+	defer os.Setenv(envPreforkChildKey, "")
 
-// 	go func() {
-// 		time.Sleep(1000 * time.Millisecond)
-// 		utils.AssertEqual(t, nil, app.Shutdown())
-// 	}()
+	app := New()
+	app.Settings.DisableStartupMessage = true
+	app.init()
 
-// 	utils.AssertEqual(t, nil, app.prefork("127.0.0.1:"))
-// }
+	err := app.prefork("invalid")
+	utils.AssertEqual(t, false, err == nil)
 
-// func Test_App_Prefork_Main_Process(t *testing.T) {
-// 	testPreforkMaster = true
+	go func() {
+		time.Sleep(1000 * time.Millisecond)
+		utils.AssertEqual(t, nil, app.Shutdown())
+	}()
 
-// 	app := New()
-// 	app.Settings.DisableStartupMessage = true
-// 	app.init()
+	utils.AssertEqual(t, nil, app.prefork("127.0.0.1:"))
+}
 
-// 	go func() {
-// 		time.Sleep(1000 * time.Millisecond)
-// 		utils.AssertEqual(t, nil, app.Shutdown())
-// 	}()
+func Test_App_Prefork_Main_Process(t *testing.T) {
+	testPreforkMaster = true
 
-// 	utils.AssertEqual(t, nil, app.prefork("127.0.0.1:"))
+	app := New()
+	app.Settings.DisableStartupMessage = true
+	app.init()
 
-// 	dummyChildCmd = "invalid"
+	go func() {
+		time.Sleep(1000 * time.Millisecond)
+		utils.AssertEqual(t, nil, app.Shutdown())
+	}()
 
-// 	err := app.prefork("127.0.0.1:")
-// 	utils.AssertEqual(t, false, err == nil)
-// }
+	utils.AssertEqual(t, nil, app.prefork("127.0.0.1:"))
+
+	dummyChildCmd = "invalid"
+
+	err := app.prefork("127.0.0.1:")
+	utils.AssertEqual(t, false, err == nil)
+}