Disclosed is a washing machine capable of preventing noise caused by an assembly failure of a supply hose. The washing machine comprises: a main body including a front frame; a tub provided inside the main body; a diaphragm provided between the tub and the front frame; a nozzle provided at the inner surface of the diaphragm so as to spray water toward the inside of the tub; a nozzle guide provided at the outer surface of the diaphragm, and including a through-hole into which one end of the nozzle is inserted; a supply hose connected to one end of the nozzle protruding through the through-hole; and a fixing member for fixing the supply hose to one end of the nozzle, wherein the nozzle guide includes ribs for preventing a portion of the fixing member from coming in contact with the front frame of the main body.