‘Exxon CEO Rex Tillerson is involved in a legal battle over fracking. The weird part is, he’s on the side that’s against it.

Don’t worry, Tillerson hasn’t changed his “Drill, baby, drill” mentality or had a change of heart about the evils of regulatory oversight in general. He’s just worried about the effect that drilling is going to have where he lives. Specifically, he wants to block the construction of a 160-foot water tower next to his home in Bartonville, Texas, which would provide water for nearby fracking operations. In order to do so, The Wall Street Journal reports, he’s signed onto a lawsuit that details the many unsavory consequences of fracking:’

Read more: Exxon CEO Joins Anti-Fracking Lawsuit After Drilling Threatens His Property Value