Non human npc walk animation doesnt stop

Help and Feedback Scripting Support
#1 
local Animation = script.Parent.Humanoid:LoadAnimation(script:WaitForChild("Walking"))
script.Parent.Humanoid.Running:Connect(function(speed)
	if speed <= 20 and speed > 0 then
		print("walking")
		Animation:Play(0.2)
		
	elseif speed == 0 or script.Parent.HumanoidRootPart.Velocity.Magnitude == 0 then
		print("not walking")
		Animation:Stop(0.2)
	end
end)

i have a custom non humanoid NPC that follows the player using MoveTo() and plays a walking animation but when it stops the animation doesnt stop