How to make a gui button that can't be spammed?

I have a gui button that when you click on it it respawns the player. The problem is, if you spam the button it crashes the game. I've tried to make a bool value to solve this but you can still spam it. Any solutions?

local player = game.Players.LocalPlayer
local cooldown = script.Parent.Value
cooldown = false

if cooldown == false then
function OnClicked() 

player:LoadCharacter()

cooldown = true
wait(5)
end 
end
cooldown = false
script.Parent.MouseButton1Down:connect(OnClicked)print("player respawned")

First off, cooldown should not be a value class, but a value variable and when you check cooldown for false you should set it to true right afterwards.

Secondly, your cooldown = false line needs to be inside of the if cooldown == false statement. When combined it all should look like this:

local player = game.Players.LocalPlayer
local cooldown = script.Parent.Value
cooldown = false

if cooldown == false then
	cooldown = true
	function OnClicked() 
	player:LoadCharacter()
	wait(5)
	cooldown = false
	end 
end
script.Parent.MouseButton1Down:connect(OnClicked)print("player respawned")