making drunken haze a single unit target

i have a spell based off of drunke haze, but its still AoE. how do I change it so that it targets a single unit. any help?

thanks.

flames'

Errr... base it of Curse/Slow and make a dummy unit cast the extra spell on the target?

Doesn't Drunken Haze target a unit, and affect units around the target in a radius? If so, have you simply reduced the AoE to 0 or 1?