A little more check won't hurt...
A little more check won't hurt...

Change-Id: I1cd3fb194b78eb11cb91b7779cab32a461046d9f

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core