The present invention relates to an electrical connector for a plug-in connection, comprising a connector housing having a mating part defining a receiving section adapted for receiving a mating section of a counter-connector, at least two contact elements that are placed in the receiving section, and a ground contact assembly comprising a ground contact having a contacting portion adapted for being electrically connected with a grounding element of a retainer. For providing an electrical connector, which can be coupled with standard counter-connectors, the ground contact assembly of the electrical connector according to the present invention is arranged outside the receiving section with the contacting portion extending at least section-wise into the receiving section.