Unholy DK Cata Classic - Ghoul dies immediately upon summon

Cataclysm Classic - after DS patch

Unholy DK. Whenever I summon my ghoul it dies/falls apart/despawns immediately. This is not hyperbole about ghouls being easy to kill. I mean it literally just despawns as soon as I summon it. I have tried reloading, restarting wow, disabling all addons, and restarting my pc.