BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2090
This is a regression issue introduced by commit e8449e.
This patch is going to fix this issue.
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Bob Feng <bob.c.feng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
5f7bb39117