A semi truck, which was carrying equipment for several popular heavy metal bands overturned on a Texas highway, on Sunday.

The incident occurred around 3 a.m. on Interstate 37 near Mathis, Texas.

The truck was hauling more than $1 milliion dollars in equipment for the bands Lamb of God, Anthrax, and Megadeth.

According to reports, truck’s load shifted when the driver swerved to avoid a deer on the highway, causing the rig to overturn.

Lamb of God’s guitarist Mark Morton tweed this photo after the accident.

The truck driver suffered a broken arm, but is expected to make a full recovery.