a mobile refrigerator with a refrigerator door is held magnetically against the body thereof . an additional hook lock automatically engages on closing the refrigerator door and releases the refrigerator door only following the actuation of an unlocking mechanism . the unlocking mechanism disengages the hook bolt from the lock striker , characterized in that the hook lock comprises a locking member by means of which the hook bolt may be restrained in a disengaged position so that the refrigerator door is only held closed magnetically . the hook lock is also characterized in that the locking member is able to be so actuated independently of the unlocking mechanism that the hook bolt is set in the disengaged position .