CBQE-927: minor fix

Change-Id: I03f1ef40068aa4e10b0655c7dcfb75d19ba8bf85
Reviewed-on: http://review.couchbase.org/23717
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Andrei Baranouski <andrei.baranouski@gmail.com>