A table pedestal for an operating table, comprising a pedestal base for connecting the table pedestal to the floor; a pedestal head support that is adjustable in height for supporting the head of the pedestal; a lifting drive for adjusting the height of the pedestal head support in relation to the base of the pedestal; a cylindrical main guide connecting the pedestal head support to the pedestal base, and serving to provide a vertical guide of the pedestal head support in its height adjustment. An additional stabilizing guide, which also connects the pedestal head support to the pedestal base and provides a vertical guide for the pedestal head support in its height adjustment, reduces the play in rotation of the main guide.