IDEA 13.1: Wrong cursor position after moving cursor to an empty line

After updating to IDEA 13.1.1 on OS X 10.9.2, I do have the following problem in Editor windows:

Assume I do have the following cursor position:



After moving the cursor up one line, I do have the following cursor position:



So the cursor is at 29:2, but should be at 29:1

Can anyone reproduce this? Is this a bug?

Regards
Stefan