A catheter assembly (610) comprising a catheter receptacle (620) including a compartment (650) accommodating a wetting fluid and further, the receptacle includes the following: an additional outer layer (660) attached to a part of the receptacle in order to protect the wetting fluid from e.g. sterilizing oxides; and/or a separation wall (651) including a point of weakness located between the wetting fluid compartment (650) and the cavity containing the catheter (621). An alternative catheter assembly includes a catheter receptacle leaving at least part of the catheter outside the receptacle. Methods for producing such catheter assemblies are also provided.