How to select a default account in the People app

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http://androidforums.com – This seems like such a simple question but for the life of me I can't figure it out. I have two Gmail accounts on my phone, one for personal email and the other that I use for everything else. Naturally when I add a contact in the People app I want it to go to my personal account; the other account isn't even set to sync contacts. Yet for some reason new contacts always go into the other account by default. How do I select a different default account? I remember there being a pretty straightforward setting in older versions of Android but I can't find it in Jelly Bean. HTC One S, JB 4.1.1. (General)