Raycasting from a brick not working?

local myRay = Ray.new(
               Vector3.new(script.Parent.Position),
               Vector3.new(48,20,20)
            )
local obj, endPoint = workspace:FindPartOnRay(myRay)
if obj then
    print("HIT!")
else
    -- nothing
end

Hi guys! I have this script in a brick and when I move it around near things it still does not print "HIT!" - any ideas why?

Thanks

You need to check if it hit anything or if it didn't hit anything, or else the code will error