Watch app doesn't wake iPhone app on real devices

I have a problem where sending a mesaage to the corresponding iPhone app from my watch app doesn't wake up the iPhone app when using a real watch and iPhone. The message only goes through if the iPhone app is already running in the foreground or background. However when using the watch and iPhone simulators, it works perfectly. Has anyone experienced this? I'm wondering if the MDM rules enforced on my iPhone by my company is affecting the communcation between the watch and the iPhone?