This is a known bug when creating modules. Just click on the open the Pen attributes
Options>Element Attributes>Pens
and the pen set will revert to the correct pen set.
Erika
Architect, Consultant
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
Mac OSX 10.11.1
AC5-18
Onuma System
"Implementing Successful Building Information Modeling"