>>>Try going through the thread I referenced - I believe Chuck had very similar problem - though I'm not sure that thread has a resolution.
>>
>>Awesome!
>>
>>Weird as it may seem, changing the grid's row source from fields to a SQL statement actually fixed the behavior. I'm sure there's a reasonable explanation somewhere for this but as long as it works I'm happy. :)
>
>I always use alias for the grid's recordsource. Did you mean combo's source to change to SQL statement?
>
>Glad you solved your problem.

Yes, of course you're right - it was the combo's row source that was changed.