gabled roof lines on a U-shaped plan

[atlarge]

I am trying to get the correct gabled roof lines to generate for my existing house plan, but I am getting a strange 'offset' on either end of the main gabled section. See attached picture. Any ideas for resolution? The desired result is for a gabled roof line over each of the two front 'wings' (Garage and Living Room) that merge into the perpendicular main gabled section at the rear half of the house. Seems like a fairly straight forward design, but I haven't had any luck losing the extra angles where the gabled front sections meet the main gable ridgeline.

Thanks,

atlarge