Edit Requisition as approver

Content

We've category approvals as Role based approval for Requisitions(using BPM). When category approver edit the Req as approver & submit the changes, its getting auto approved & move to next stage. We expect the system to generate notification for the same approver.

How to achieve this requirement /

FYI -We dont want to restart the approvals.  we expect it to be with same approver to catch second time approval after edit work.