We have evaluated your presented scenario while using the latest version of Aspose.Cells for Java 8.3.1, and we are able to observe the problem as highlighted in the attached snapshot. The problem has been logged in our bug tracking system under the ticket CELLSJAVA-41146 for further investigation & correction purposes. Please spare us little time to properly analyze the problem cause, and to provide the fix at earliest possible, In the meanwhile, we will keep you posted with updates in this regard.