Gamepass detection script not working properly?

I'm trying to make a script where it shows you if you have the gamepass or not, but it simply isn't working or anything. Yes I do have the gamepass obviously.

-- Gamepasses Script 
-- Written by CarlPIandog

-- // Extra Freight Gamepass \\
local passId = 4657110 -- change this to your game pass ID.

function isAuthenticated(player) -- checks to see if the player owns your pass
    return game:GetService("MarketplaceService"):PlayerOwnsAsset(player, passId)
end

game.Players.PlayerAdded:connect(function(plr)
    if isAuthenticated(plr) then
script.Parent.ExtraFreight.Visible = true
    end
end)

-- // Gamepass \\
-- Copy and paste rest above