Door Jam Causing Wall Line Extensions?

[Anonymous]

Hello Forum,

The attached image is of a D2 12 door at a wall intersection, plan view.
As you can see, there is some weird line action caused by the door on the wall in which it is inserted. It seems to be always present, but can only be noticed at intersections like this.
Does anyone know if this is a setting that I can change, or if it is a bug?

Thanks in advance for your help--

John