A lighting arrangement (100), comprising: LEDs (110), a PCB (120) arranged to support the LEDs, a light guide element (130) configured to guide light emitted from the LEDs, wherein the light guide element is plate-shaped and arranged in a plane, P, and wherein the LEDs are arranged at an edge (140) of the light guide element, a support structure (150) fastened to the PCB and arranged at at least a first edge portion (155) of the light guide element, wherein the support structure comprises a groove (190), wherein the lighting arrangement further comprises a cover plate (200) comprising flanges (210) matingly and biasedly arranged in the groove, whereby the support structure, via first (160) and second portions (170) thereof, clamp the at least a first edge portion of the light guide element for positioning of the LEDs at the edge of the light guide element.