Calc copying sheet not updating page name in chart

When copying sheet containing a chart, for example, if
i copied sheet ‘A’ to sheet ‘B’, all data reference about A
must be replaced with B in new sheet.

But chart still refers to ‘A’ sheet data.

Is there any way to fix this libreoffice bug ?

I am using libreoffice under Ubuntu 14.04.4 LTS

It is not a bug. The chart is linked to the original data as long as it is in the same document.