WESTAMPTON — An international Swedish furniture retailer could be decidedly short-staffed at a local distribution center in the coming weeks.

Workers at the IKEA distribution facility in Westampton voted to go on strike over the weekend after they were unable to agree on a new collective bargaining agreement.

Around 5 a.m. Monday, instead of reporting inside of the 1.2-million-square-foot distribution center, co-workers — what employees are called at the IKEA distribution center — lined up outside of the warehouse alongside a 12-foot inflatable rat.

The collective bargaining agreement between workers at the warehouse, represented by the International Association of Machinists and Aerospace Workers Lodge I061, and IKEA expired Jan. 13. However, union and IKEA officials agreed to a one-week extension until midnight Sunday.