whats wrong with this?

index.rb

def menuDefault (choice) #main menu
	case choice
	when 1
		newGame()
	when 2
		loadGame()
	when 3
		optMenu()
	end
end

puts "1. New Game"
puts "2. Load Game"
puts "3. Options"
userInput = gets.chomp.to_i

menuDefault(userInput)