Window reference not drawing

Game.cpp

#include "Game.h"

Game::Game(const sf::RenderWindow& window) : mwindow(window)
{
	if (!mapTexture.loadFromFile("Images/Map.png"))
	{
		std::cerr << "Error loading map" << std::endl;
		std::cin.get();
	}
	else {
		map.setTexture(mapTexture);
	}
}


Game::~Game()
{
}

void Game::Update() {
	mwindow.draw(map);
	testMiner.Update();
	mwindow.draw(testMiner.sprite);
}

Game.h

#pragma once
#include <SFML/Graphics.hpp>
#include "Miner.h"

class Game
{
public:
	Game(const sf::RenderWindow& window);
	~Game();
	void Update();
	Miner testMiner;
private:
	const sf::RenderWindow& mwindow;
	sf::Texture mapTexture;
	sf::Sprite map;
};

Main.cpp

#include <iostream>
#include <thread>
#include <SFML/Graphics.hpp>
#include "Game.h"
#include "Miner.h"

int main(int argc, char * argv)
{
	int width = 1024;
	int height = 1024;

	sf::RenderWindow window(sf::VideoMode(width, height), "AI");

	Game game(window);

	while(window.isOpen())
	{
		sf::Event event;

		while (window.pollEvent(event))
		{
			if (event.type == sf::Event::Closed)
			{
				window.close();
			}
		}
		window.clear(sf::Color::Black);

		game.Update();

		window.display();

		
	}
	return 0;
}