A refrigerator comprising: a main body having a refrigerating compartment and a freezing compartment; a refrigerating compartment door rotatably coupled to the main body to open and to close at least a part of the refrigerating compartment; an ice-making compartment formed on a front surface of the refrigerating compartment door so that the ice-making compartment is accessible while the refrigerating compartment door is closed; an ice maker disposed in the ice making compartment, a dispenser on the refrigerating compartment door to dispense ice from the ice maker; an auxiliary door disposed in front of the refrigerating compartment door and configured to open and to close the ice-making compartment, and having an opening corresponding to the dispenser so that the dispenser is accessible through the opening while the auxiliary door is closed; and a cold air duct to connect the ice-making compartment to the freezing compartment so that air from the freezing compartment having a lower temperature than air from the refrigerating compartment flows to the ice-making compartment to cool the ice-making compartment, wherein the ice maker further includes: an ice-making case, a driving device disposed at one end of the ice-making case, characterized by, an ice-making tray that is rotatably supported by the ice-making case, the driving device is configured to rotate the ice-making tray to an ice separation position and an ice generation position, a cold air guide that is deformable and restorable and fixed to the ice-making tray, and the cold air guide is configured to be deformed by the ice-making case when the ice-making tray is rotated to the ice separation position, and configured to be restored when the ice-making tray is rotated to the ice generation position. a main body having a refrigerating compartment and a freezing compartment; a refrigerating compartment door rotatably coupled to the main body to open and to close at least a part of the refrigerating compartment; an ice-making compartment formed on a front surface of the refrigerating compartment door so that the ice-making compartment is accessible while the refrigerating compartment door is closed; an ice maker disposed in the ice making compartment, a dispenser on the refrigerating compartment door to dispense ice from the ice maker; an auxiliary door disposed in front of the refrigerating compartment door and configured to open and to close the ice-making compartment, and having an opening corresponding to the dispenser so that the dispenser is accessible through the opening while the auxiliary door is closed; and a cold air duct to connect the ice-making compartment to the freezing compartment so that air from the freezing compartment having a lower temperature than air from the refrigerating compartment flows to the ice-making compartment to cool the ice-making compartment, wherein the ice maker further includes: an ice-making case, a driving device disposed at one end of the ice-making case, characterized by, an ice-making tray that is rotatably supported by the ice-making case, the driving device is configured to rotate the ice-making tray to an ice separation position and an ice generation position, a cold air guide that is deformable and restorable and fixed to the ice-making tray, and the cold air guide is configured to be deformed by the ice-making case when the ice-making tray is rotated to the ice separation position, and configured to be restored when the ice-making tray is rotated to the ice generation position. an ice-making case, a driving device disposed at one end of the ice-making case, characterized by, an ice-making tray that is rotatably supported by the ice-making case, the driving device is configured to rotate the ice-making tray to an ice separation position and an ice generation position, a cold air guide that is deformable and restorable and fixed to the ice-making tray, and the cold air guide is configured to be deformed by the ice-making case when the ice-making tray is rotated to the ice separation position, and configured to be restored when the ice-making tray is rotated to the ice generation position.