Chevy Chase checks into rehab.

Actor Chevy Chase has checked himself into rehab for alcohol-related issue.

The National Lampoon's "Vacation" star is an in-patient at Hazelden Addiction Treatment Center in Minnesota, a representative for the actor told People magazine.

Chase checked himself in for an alcohol-related issue which his representative calls a "tune-up," adding that the actor "wants to be the best that he can be."

The 72-year-old star has previously been to addiction treatment.

The actor is currently filming "Dog Years" with Burt Reynolds.