[LUA] Entity:IsOnGround()/OnGround() is always active when teleported.

[matik04]

So I have this code:

hook.Add("Think", "br_parachute_think", function()
	for k,v in pairs(player.GetAll()) do
		if v:IsOnGround() then
			print("On ground bietch")
			if v.br_parachute_opened then
				v.parachute_opened = false
				v.parachute_done = true
				v:SetGravity(1)
				print("Parachute closed")
			end
		end
	end
end)

and the problem is that (I think) I am teleporting player instantly when spawned. After that the Entity:IsOnGround()/OnGround() is always true. When I kill my self and teleport my self again it'll work fine.
Any idea why is it happening?