Is that when (spoilers):
You decide to trust/not trust him on explaining himself in the office? Because I chose both options and both lead me to the same ending.
Ah shoot.... Let me make sure the logic is working correctly in that scene...
And yes, it's that part!
I'll try my best to get an updated version tomorrow with working logic to get that ending (spoilers):
That one is the bad ending, so you've already gotten the "good" ending!