diff --git a/binding/form_mapping.go b/binding/form_mapping.go
index 2f4e45b4..62b5ccf3 100644
--- a/binding/form_mapping.go
+++ b/binding/form_mapping.go
@@ -26,6 +26,10 @@ func mapForm(ptr interface{}, form map[string][]string) error {
 	return mapFormByTag(ptr, form, "form")
 }
 
+func MapFormWithTag(ptr interface{}, form map[string][]string, tag string) error {
+	return mapFormByTag(ptr, form, tag)
+}
+
 var emptyField = reflect.StructField{}
 
 func mapFormByTag(ptr interface{}, form map[string][]string, tag string) error {