One inspection lot for more lines of inbound delivery

Hello everyone,

I have a big problem with QM inbound.

I try to explain my problem:

I created one purchase order with 2 lines (the same material, the grid and batch)with  2 PC for each line.

When I'm placing,with Migo, the inbound delivery, the system will create an isnpection lot for each line instead of creating one inspection of 4 pc.

Can someone tell me how to group the same lines and create a inspection lot just to the same material?

Thanks,