The Fresno County Public Safety Association planned to strike for what they say are unsafe and understaffed working conditions.
They are also demanding better pay.
RELATED: Fresno Co. correctional officers share frustrations with Board of Supervisors, plan to strike
On Thursday, the Fresno County Superior Court ruled that jailers must report to work to uphold public safety.
The union announced its plan to strike last week after rejecting the county's contract proposal.