Fixes golang/go#22801

Change-Id: I1f466e26bcdf52bdd0df09bd81e31dde10347862
Reviewed-on: https://go-review.googlesource.com/78618
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>