diff --git a/binding/form_mapping_test.go b/binding/form_mapping_test.go
index b3fc37527f..8cf7465173 100644
--- a/binding/form_mapping_test.go
+++ b/binding/form_mapping_test.go
@@ -154,6 +154,15 @@ func TestMappingForm(t *testing.T) {
 	assert.Equal(t, 6, s.F)
 }
 
+func TestMappingFormFieldNotSent(t *testing.T) {
+	var s struct {
+		F string `form:"field,default=defVal"`
+	}
+	err := mapForm(&s, map[string][]string{})
+	require.NoError(t, err)
+	assert.Equal(t, "defVal", s.F)
+}
+
 func TestMappingFormWithEmptyToDefault(t *testing.T) {
 	var s struct {
 		F string `form:"field,default=DefVal"`