Fix for dublicate radiobutton label issue

Step-by-step:
 1) create values:
![Screen Shot 2013-03-11 at 5 44 25 PM](https://f.cloud.github.com/assets/184496/243761/f1763f88-8a52-11e2-93a2-1ebd67590b10.png)


 2) press "Build now" and here they are:
![Screen Shot 2013-03-11 at 5 44 35 PM](https://f.cloud.github.com/assets/184496/243765/261ecc5a-8a53-11e2-92b5-56afd10d2622.png)
![Screen Shot 2013-03-11 at 5 48 05 PM](https://f.cloud.github.com/assets/184496/243768/4d270b78-8a53-11e2-8320-46ecb184e599.png)

3) should be:
![Screen Shot 2013-03-11 at 5 56 22 PM](https://f.cloud.github.com/assets/184496/243780/7b898d24-8a53-11e2-8651-cc6eb488fed0.png)

Fix attached in pull request.