A finger joint prosthesis includes a joint body 14 having first and second joint elements pivotably connected about an axis of rotation and anchoring bars 30, 32 extend from the joint body for securing to a proximal and a distal phalanx. The anchoring bars 30, 32 include one or more securing eyes 40, 42, 44 with openings for receiving fixing screws therein. To provide improved primary and secondary fixing, an end securing element is provided distally from the axis of rotation on the anchoring bar 30, 32 of at least one joint element.