Fix another IE9 rendering issue

/cc @sndrs 

### Before
![google chrome](https://cloud.githubusercontent.com/assets/80089/4419849/105da24e-4571-11e4-8013-bf277a96abc2.png)

### After
![google chrome](https://cloud.githubusercontent.com/assets/80089/4419848/0f355cfe-4571-11e4-8087-5229cef73b9b.png)