An electrical connector comprising a housing (1) having a bottom wall and four upstanding walls (11,12,13) formed a mating cavity (15) adapted for receiving a plug portion of a complementary connector; a plurality of terminals (2) received in the housing and each having a contact portion (21) exposed in the mating cavity; and a metallic shielding member (3) comprising a plate portion surrounding outer surfaces of the upstanding walls and a folded portion (32) extending from the plate portion and attached to an inner surface of one upstanding wall, the folded portion provided with a latching resilient tab (321) unreturnably snapped into a gap defined in the inner surface of the upstanding wall when the shielding member is completely assembled onto the housing along a mating direction of the complementary connector.