diff --git a/js/compiler/compiler_test.go b/js/compiler/compiler_test.go
index 6f8ae53b782..30ee33742be 100644
--- a/js/compiler/compiler_test.go
+++ b/js/compiler/compiler_test.go
@@ -7,6 +7,7 @@ import (
 	"testing"
 
 	"github.com/dop251/goja"
+	"github.com/dop251/goja/parser"
 	"github.com/sirupsen/logrus"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -158,6 +159,34 @@ func TestCompile(t *testing.T) {
 		assert.Contains(t, err.Error(), `SyntaxError: script.js: Unexpected token (1:3)
 > 1 | 1+(=>2)()`)
 	})
+
+	t.Run("enhanced Invalid", func(t *testing.T) {
+		t.Parallel()
+		c := New(testutils.NewLogger(t))
+		src := `1+(function() { return 2; )()`
+		c.Options.CompatibilityMode = lib.CompatibilityModeEnhanced
+		_, _, err := c.Compile(src, "script.js", false)
+		assert.IsType(t, &parser.Error{}, err)
+		assert.Contains(t, err.Error(), `script.js: Line 1:26 Unexpected ")"`)
+	})
+	t.Run("enhanced", func(t *testing.T) {
+		t.Parallel()
+		c := New(testutils.NewLogger(t))
+		c.Options.CompatibilityMode = lib.CompatibilityModeEnhanced
+		pgm, code, err := c.Compile(`import "something"`, "script.js", true)
+		require.NoError(t, err)
+		assert.Equal(t, `var import_something = require("something");
+`, code)
+		rt := goja.New()
+		var requireCalled bool
+		require.NoError(t, rt.Set("require", func(s string) {
+			assert.Equal(t, "something", s)
+			requireCalled = true
+		}))
+		_, err = rt.RunProgram(pgm)
+		require.NoError(t, err)
+		require.True(t, requireCalled)
+	})
 }
 
 func TestCorruptSourceMap(t *testing.T) {