CHEHALIS, Wash. -- A Chehalis woman who was angry at her ex-boyfriend for seeing another woman rammed the wrong car when she tried to get even with him, police said.

WRONG ROAD RAGE Slideshow: Cars Smashed In Wrong Road Rage Case

The 43-year-old woman from Curtis, west of Chehalis, ran a Chevrolet Sprint off the road at about 6:30 a.m. on Tuesday, police said.

Police said the woman was stunned to see the man who got out of the car was not her boyfriend, but instead a volunteer firefighter.

"Oh My God, Oh My God. That's not my boyfriend," she reportedly told a Washington State Patrol trooper.

The woman had mistaken the red 1987 Chevrolet Sprint for her boyfriend's maroon 1988 Chevrolet Spectrum, police said.

The woman was jailed on suspicion of vehicular assault.

No one was hurt in the crash, but both vehicles were damaged.