An axially divided inner ring for a turbomachine, for fastening to guide vanes of the turbomachine. The inner ring comprises at least one first, solid ring segment disposed upstream, and a second, solid ring segment disposed downstream, wherein the first ring segment is joined to the second ring segment in a detachable manner by means of at least one fastening element. The first ring segment and/or the second ring segment is joined to at least one sealing segment. The inner ring comprises a securing element for securing the fastening element, wherein the securing element is joined to the first ring segment and/or to the second ring segment. In addition, the present invention relates to a guide vane ring of a turbomachine having guide vanes, which have an axially divided inner ring according to the invention.