fix for aliases

errors.go

@@ -260,16 +260,20 @@ func (fe *fieldError) Error() string {
 // NOTE: if no registered translation can be found, it returns the original
 // untranslated error message.
 func (fe *fieldError) Translate(ut ut.Translator) string {
+	var fn TranslationFunc
 
 	m, ok := fe.v.transTagFunc[ut]
 	if !ok {
 		return fe.Error()
 	}
 
-	fn, ok := m[fe.tag]
+	fn, ok = m[fe.tag]
+	if !ok {
+		fn, ok = m[fe.actualTag]
 		if !ok {
 			return fe.Error()
 		}
+	}
 
 	return fn(ut, fe)
 }