The present invention relates to a connector (1) for flat flex cables (2), with a housing (3), in which is provided: at least one introduction opening (4) for one end of a flat flex cable, spring contacts (5) for connecting the at least one flat flex cable (2) with contacts (6) or with another flat flex cable (7) and at least one strain relief (8). The strain relief (8) has a slide (9), which is introduced into the introduction opening (4) above the flat flex cable (2), the flat flex cable (2) being bent by a rib (10) on slide (9) into a recess (11) in the bottom of introduction opening (4) until the slide (9) locks into its final position on housing (3).