diff --git a/binding/binding_test.go b/binding/binding_test.go
index 713bdd78..a4571f6f 100644
--- a/binding/binding_test.go
+++ b/binding/binding_test.go
@@ -57,6 +57,12 @@ type InvalidNameType struct {
 	TestName string `invalid_name:"test_name"`
 }
 
+type InvalidNameMapType struct {
+	TestName struct {
+		MapFoo map[string]interface{} `form:"map_foo"`
+	}
+}
+
 type FooStructForSliceType struct {
 	SliceFoo []int `form:"slice_foo"`
 }
@@ -223,6 +229,12 @@ func TestBindingFormInvalidName(t *testing.T) {
 		"test_name=bar", "bar2=foo")
 }
 
+func TestBindingFormInvalidName2(t *testing.T) {
+	testFormBindingInvalidName2(t, "POST",
+		"/", "/",
+		"map_foo=bar", "bar2=foo")
+}
+
 func TestBindingFormForType(t *testing.T) {
 	testFormBindingForType(t, "POST",
 		"/", "/",
@@ -649,6 +661,24 @@ func testFormBindingInvalidName(t *testing.T, method, path, badPath, body, badBo
 	assert.Error(t, err)
 }
 
+func testFormBindingInvalidName2(t *testing.T, method, path, badPath, body, badBody string) {
+	b := Form
+	assert.Equal(t, b.Name(), "form")
+
+	obj := InvalidNameMapType{}
+	req := requestWithBody(method, path, body)
+	if method == "POST" {
+		req.Header.Add("Content-Type", MIMEPOSTForm)
+	}
+	err := b.Bind(req, &obj)
+	assert.Error(t, err)
+
+	obj = InvalidNameMapType{}
+	req = requestWithBody(method, badPath, badBody)
+	err = JSON.Bind(req, &obj)
+	assert.Error(t, err)
+}
+
 func testFormBindingForType(t *testing.T, method, path, badPath, body, badBody string, typ string) {
 	b := Form
 	assert.Equal(t, b.Name(), "form")