The present application relates to an intermediate structure (50; 60) for a support structure (40) of a medicament delivery device, which support structure is to cooperate with a medicament container (18), said support structure (40) comprising a flexible element (48) arranged to exert a force on a distal end surface of said medicament container (18), wherein said intermediate structure (50; 60) is arranged between said flexible element (48) and said end surface and arranged to guide said flexible element (48) in an outwardly direction in relation to a longitudinal axis (L) when exerting a force on said medicament container (18).