I tried to reproduce the behavior you described, but unfortunately I was not able to. Attached you can find a sample solution that I have prepared in order to reproduce it. For the sample I used the version 2012.2.628.2 of Telerik OpenAccess ORM.
Can you please check whether the configuration is as you have it in your project. Would it be possible for you to modify the sample to show the reported behavior?
I am looking forward to hearing from you soon.
All the best,
the Telerik team
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