I've had the same thing happen occasionally on my Cross-Check with an XT crank. I find the problem is more associated with the fact that I'm already in the lowest (big) gear on the cassette. If I'm in the second to lowest, no issue.
So to echo Bill, anticipate and shift sooner.
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This is Africa, 1943. War spits out its violence overhead and the sandy graveyard swallows it up. Her name is King Nine, B-25, medium bomber, Twelfth Air Force. On a hot, still morning she took off from Tunisia to bomb the southern tip of Italy. An errant piece of flak tore a hole in a wing tank and, like a wounded bird, this is where she landed, not to return on this day, or any other day.