Fixes custom user-configuration building

                     
|Q            |A    |
|---          |---  |
|Bug Fix?     |y    |
|New Feature? |y    |
|BC Breaks?   |n    |
|Deprecations?|n    |
|Tests Pass?  |yes  |
|Fixed Tickets|GH-53|
|License      |MIT  |
|Doc PR       |     |
                     

todo