diff --git a/binding/binding.go b/binding/binding.go
index 99f3d0e..b49f1e5 100644
--- a/binding/binding.go
+++ b/binding/binding.go
@@ -199,6 +199,22 @@ func Validate(obj interface{}, parents ...string) error {
 						return err
 					}
 				}
+			} else {
+				fieldType := field.Type.Kind()
+				if fieldType == reflect.Struct {
+					if reflect.DeepEqual(zero, fieldValue) {
+						continue
+					}
+					err := Validate(fieldValue, field.Name)
+					if err != nil {
+						return err
+					}
+				} else if fieldType == reflect.Slice && field.Type.Elem().Kind() == reflect.Struct {
+					err := Validate(fieldValue, field.Name)
+					if err != nil {
+						return err
+					}
+				}
 			}
 		}
 	case reflect.Slice: