New York Gov. Kathy Hochul announced an agreement late Thursday to end a wildcat strike that has roiled the state’s prison system for more than a week. Hochul said the state and the union for striking correctional workers agreed to binding terms after four days of mediation talks.

The officers union did not authorize the strike, and it was unclear how it would enforce the agreement. The stoppages have affected all but one of the state’s 42 prisons.