# Why super.\_health += 1; does not work?

**URL:** <https://forum.kirupa.com/t/why-super--health-1-does-not-work/313503>\
**Category:** flash\
**Created:** [September 1, 2010, 8:11am UTC](https://forum.kirupa.com/t/why-super--health-1-does-not-work/313503 "2010-09-01T08:11:06Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![ayumilove](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/ayumilove/32/2532_2.png) [@ayumilove](https://forum.kirupa.com/u/ayumilove)\
**Post date:** [September 1, 2010, 8:11am UTC](https://forum.kirupa.com/t/why-super--health-1-does-not-work/313503/1 "2010-09-01T08:11:06Z")

</div>

```php

super._health += 1;
super._health -= 1;
super._health *= 1;
super._health /= 1;

```

Syntax error: expecting semicolon before plusassign. :sen:  
Syntax error: expecting semicolon before minusassign. :sen:  
etc

However, this works:-

```php

super._health = super._health + 1;

```