broken-out-Section line thickness wrong with DIN drafting standard

Hello,

we have a problem with wrong line thickness in broken-out-Sections. With our used DIN drafting standard (see rectangular profile in the middle):

With ISO Drafting standard:

What can cause this? Is it a wrong setting?

We are using SolidWorks 2016 SP4.0

Regards,

Sascha

SolidworksDrawings And Detailing