A lamp including a lens support (1) and a glass lens (2) designed to be placed in front of a light source (5), said lens being assembled to the lens support which is secured to the light source, said support being made of a plastics material, said lens having a rear face (22) designed to face towards the light source, an optical front face (21), and a peripheral rim (23) which interconnects the rear face and the front face, the lens support coming into engagement with the lens at said rim, said lamp being characterized in that the support (1) is fixed to the lens (2) by overmolding, the plastics material of which the support is made surrounding the rim (23) of the lens at least in part.