How can I persist the value of the Resolutions of a defect in a workflow RTC?

Hello everybody.
I have a defect workflow in RTC, the last states are: Resolve and Close. In the state "Resolve" I can select the "Resolutions" (Fixed, Duplicated, Wontfix...), but the next state is "Close" and when I save the work item the "Resolutions" field is reset and disappear the values saved in the previous state ("Resolve"). How can I persist the value of the Resolutions of a defect in a workflow RTC?

1.  Select the "Resolutions" in the State "Resolve" and save the work item.

2.  When I select the next state "Close" the "Resolutions" field is reset and disappear the values saved in the previous state ("Resolve").