A wall connector for a modular furniture system is provided. The wall connector comprises a rail extending between a first end portion and a second end portion. The rail defines a first channel configured to fittingly receive an edge portion of a first side wall and a second channel configured to fittingly receive an edge portion of a second side wall such that the second side wall is orthogonal to the first side wall. Each of the first and second end portions is configured to engage a corner portion of an end wall for attachment thereto.