fix DM width

![2014-02-26 17 28 08](https://f.cloud.github.com/assets/426427/2270269/01891998-9eea-11e3-9f15-2b60ec35f988.png)
![2014-02-26 17 29 03](https://f.cloud.github.com/assets/426427/2270270/01894328-9eea-11e3-8ab4-6ba8979e35e1.png)