diff --git a/src/dev/kske/chess/ui/DialogUtil.java b/src/dev/kske/chess/ui/DialogUtil.java
index 0fa52e2..a25711d 100644
--- a/src/dev/kske/chess/ui/DialogUtil.java
+++ b/src/dev/kske/chess/ui/DialogUtil.java
@@ -10,11 +10,11 @@ import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 
 import javax.swing.DefaultComboBoxModel;
-import javax.swing.JButton;
 import javax.swing.JComboBox;
-import javax.swing.JDialog;
 import javax.swing.JFileChooser;
 import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
 
 /**
  * Project: <strong>Chess</strong><br>
@@ -33,55 +33,33 @@ public class DialogUtil {
 			action.accept(fileChooser.getSelectedFile());
 	}
 
-	public static void showGameConfigurationDialog(BiConsumer<String, String> action) {
-		new JDialog() {
+	public static void showGameConfigurationDialog(Component parent, BiConsumer<String, String> action) {
+		JPanel dialogPanel = new JPanel();
 
-			private static final long serialVersionUID = -5768339760489440385L;
+		List<String> options = new ArrayList<>(Arrays.asList("Natural Player", "AI Player"));
+		EngineUtil.getEngineInfos().forEach(info -> options.add(info.name));
 
-			{
-				setTitle("Game Configuration");
-				setBounds(100, 100, 281, 142);
-				setModal(true);
-				setLocationRelativeTo(null);
-				getContentPane().setLayout(null);
+		JLabel lblWhite = new JLabel("White:");
+		lblWhite.setFont(new Font("Tahoma", Font.PLAIN, 14));
+		lblWhite.setBounds(10, 11, 49, 14);
+		dialogPanel.add(lblWhite);
 
-				List<String> options = new ArrayList<>(Arrays.asList("Natural Player", "AI Player"));
-				EngineUtil.getEngineInfos().forEach(info -> options.add(info.name));
+		JComboBox<Object> cbWhite = new JComboBox<>();
+		cbWhite.setModel(new DefaultComboBoxModel<Object>(options.toArray()));
+		cbWhite.setBounds(98, 9, 159, 22);
+		dialogPanel.add(cbWhite);
 
-				JLabel lblWhite = new JLabel("White:");
-				lblWhite.setFont(new Font("Tahoma", Font.PLAIN, 14));
-				lblWhite.setBounds(10, 11, 49, 14);
-				getContentPane().add(lblWhite);
+		JLabel lblBlack = new JLabel("Black:");
+		lblBlack.setFont(new Font("Tahoma", Font.PLAIN, 14));
+		lblBlack.setBounds(10, 38, 49, 14);
+		dialogPanel.add(lblBlack);
 
-				JComboBox<Object> cbWhite = new JComboBox<>();
-				cbWhite.setModel(new DefaultComboBoxModel<Object>(options.toArray()));
-				cbWhite.setBounds(98, 9, 159, 22);
-				getContentPane().add(cbWhite);
+		JComboBox<Object> cbBlack = new JComboBox<>();
+		cbBlack.setModel(new DefaultComboBoxModel<Object>(options.toArray()));
+		cbBlack.setBounds(98, 36, 159, 22);
+		dialogPanel.add(cbBlack);
 
-				JLabel lblBlack = new JLabel("Black:");
-				lblBlack.setFont(new Font("Tahoma", Font.PLAIN, 14));
-				lblBlack.setBounds(10, 38, 49, 14);
-				getContentPane().add(lblBlack);
-
-				JComboBox<Object> cbBlack = new JComboBox<>();
-				cbBlack.setModel(new DefaultComboBoxModel<Object>(options.toArray()));
-				cbBlack.setBounds(98, 36, 159, 22);
-				getContentPane().add(cbBlack);
-
-				JButton btnStart = new JButton("Start");
-				btnStart.addActionListener((evt) -> {
-					dispose();
-					action.accept(options.get(cbWhite.getSelectedIndex()), options.get(cbBlack.getSelectedIndex()));
-				});
-				btnStart.setBounds(20, 73, 89, 23);
-				getContentPane().add(btnStart);
-
-				JButton btnCancel = new JButton("Cancel");
-				btnCancel.addActionListener((evt) -> dispose());
-				btnCancel.setBounds(157, 73, 89, 23);
-				getContentPane().add(btnCancel);
-
-			}
-		}.setVisible(true);
+		JOptionPane.showMessageDialog(parent, dialogPanel, "Game configuration", JOptionPane.QUESTION_MESSAGE);
+		action.accept(options.get(cbWhite.getSelectedIndex()), options.get(cbBlack.getSelectedIndex()));
 	}
 }
diff --git a/src/dev/kske/chess/ui/FENDropTarget.java b/src/dev/kske/chess/ui/FENDropTarget.java
index 37fcdb2..b8ffc6d 100644
--- a/src/dev/kske/chess/ui/FENDropTarget.java
+++ b/src/dev/kske/chess/ui/FENDropTarget.java
@@ -37,7 +37,7 @@ public class FENDropTarget extends DropTargetAdapter {
 				try (BufferedReader br = new BufferedReader(new FileReader(file))) {
 					final GamePane	gamePane	= mainWindow.addGamePane();
 					final String	fen			= br.readLine();
-					DialogUtil.showGameConfigurationDialog((whiteName, blackName) -> {
+					DialogUtil.showGameConfigurationDialog(null, (whiteName, blackName) -> {
 						final Game game = new Game(gamePane.getBoardPane(), whiteName, blackName, new Board(fen));
 						gamePane.setGame(game);
 						game.start();
diff --git a/src/dev/kske/chess/ui/MenuBar.java b/src/dev/kske/chess/ui/MenuBar.java
index 1798ed4..c7c74d0 100644
--- a/src/dev/kske/chess/ui/MenuBar.java
+++ b/src/dev/kske/chess/ui/MenuBar.java
@@ -2,6 +2,7 @@ package dev.kske.chess.ui;
 
 import java.awt.Toolkit;
 import java.awt.datatransfer.StringSelection;
+import java.io.File;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 
@@ -40,7 +41,8 @@ public class MenuBar extends JMenuBar {
 		JMenu gameMenu = new JMenu("Game");
 
 		JMenuItem newGameMenuItem = new JMenuItem("New Game");
-		newGameMenuItem.addActionListener((evt) -> DialogUtil.showGameConfigurationDialog((whiteName, blackName) -> {
+		newGameMenuItem
+			.addActionListener((evt) -> DialogUtil.showGameConfigurationDialog(mainWindow, (whiteName, blackName) -> {
 			GamePane	gamePane	= mainWindow.addGamePane();
 			Game		game		= new Game(gamePane.getBoardPane(), whiteName, blackName);
 			gamePane.setGame(game);
@@ -49,66 +51,7 @@ public class MenuBar extends JMenuBar {
 		gameMenu.add(newGameMenuItem);
 
 		JMenuItem loadFileMenu = new JMenuItem("Load game file");
-		loadFileMenu.addActionListener((evt) -> DialogUtil.showFileSelectionDialog(mainWindow, (file) -> {
-			final String	name		= file.getName().substring(0, file.getName().lastIndexOf('.'));
-			final String	extension	= file.getName().substring(file.getName().lastIndexOf('.')).toLowerCase();
-			switch (extension) {
-				case ".fen":
-					try {
-						final GamePane	gamePane	= mainWindow.addGamePane(name);
-						final String	fen			= new String(Files.readAllBytes(file.toPath()),
-								StandardCharsets.UTF_8);
-						DialogUtil.showGameConfigurationDialog((whiteName, blackName) -> {
-							final Game game = new Game(gamePane.getBoardPane(), whiteName, blackName, new Board(fen));
-							gamePane.setGame(game);
-							game.start();
-						});
-					} catch (Exception e) {
-						e.printStackTrace();
-						JOptionPane.showMessageDialog(mainWindow,
-								"Failed to load the file " + file.getName() + ": " + e.toString(),
-								"File loading error",
-								JOptionPane.ERROR_MESSAGE);
-					}
-					break;
-				case ".pgn":
-					try {
-						final GamePane	gamePane	= mainWindow.addGamePane(name);
-						PGNDatabase		pgnDB		= new PGNDatabase();
-						pgnDB.load(file);
-						if (pgnDB.getGames().size() > 0) {
-							String[]	gameNames	= new String[pgnDB.getGames().size()];
-							for (int i = 0; i < gameNames.length; i++) {
-								final PGNGame game = pgnDB.getGames().get(i);
-								gameNames[i] = String.format("%s vs %s: %s",
-										game.getTag("White"),
-										game.getTag("Black"),
-										game.getTag("Result"));
-							}
-							JComboBox<String>	comboBox	= new JComboBox<>(gameNames);
-							JOptionPane
-								.showMessageDialog(mainWindow, comboBox, "Select a game", JOptionPane.QUESTION_MESSAGE);
-							DialogUtil.showGameConfigurationDialog((whiteName, blackName) -> {
-								final Game game = new Game(gamePane.getBoardPane(), whiteName, blackName,
-										pgnDB.getGames().get(comboBox.getSelectedIndex()).getBoard());
-								game.start();
-							});
-						}
-					} catch (Exception e) {
-						e.printStackTrace();
-						JOptionPane.showMessageDialog(mainWindow,
-								"Failed to load the file " + file.getName() + ": " + e.toString(),
-								"File loading error",
-								JOptionPane.ERROR_MESSAGE);
-					}
-					break;
-				default:
-					JOptionPane.showMessageDialog(mainWindow,
-							"The file extension '" + extension + "' is not supported!",
-							"File loading error",
-							JOptionPane.ERROR_MESSAGE);
-			}
-		}));
+		loadFileMenu.addActionListener((evt) -> DialogUtil.showFileSelectionDialog(mainWindow, this::loadFile));
 		gameMenu.add(loadFileMenu);
 
 		add(gameMenu);
@@ -149,7 +92,7 @@ public class MenuBar extends JMenuBar {
 		loadFromFENMenuItem.addActionListener((evt) -> {
 			final GamePane	gamePane	= mainWindow.addGamePane();
 			final String	fen			= JOptionPane.showInputDialog("Enter a FEN string: ");
-			DialogUtil.showGameConfigurationDialog((whiteName, blackName) -> {
+			DialogUtil.showGameConfigurationDialog(mainWindow, (whiteName, blackName) -> {
 				final Game game = new Game(gamePane.getBoardPane(), whiteName, blackName, new Board(fen));
 				gamePane.setGame(game);
 				game.start();
@@ -159,4 +102,68 @@ public class MenuBar extends JMenuBar {
 
 		add(toolsMenu);
 	}
+
+	private void loadFile(File file) {
+		final String	name		= file.getName().substring(0, file.getName().lastIndexOf('.'));
+		final String	extension	= file.getName().substring(file.getName().lastIndexOf('.')).toLowerCase();
+		switch (extension) {
+			case ".fen":
+				try {
+					final GamePane	gamePane	= mainWindow.addGamePane(name);
+					final String	fen			= new String(Files.readAllBytes(file.toPath()), StandardCharsets.UTF_8);
+					DialogUtil.showGameConfigurationDialog(mainWindow, (whiteName, blackName) -> {
+						final Game game = new Game(gamePane.getBoardPane(), whiteName, blackName, new Board(fen));
+						gamePane.setGame(game);
+						game.start();
+					});
+				} catch (Exception e) {
+					e.printStackTrace();
+					JOptionPane.showMessageDialog(mainWindow,
+							"Failed to load the file " + file.getName() + ": " + e.toString(),
+							"File loading error",
+							JOptionPane.ERROR_MESSAGE);
+				}
+				break;
+			case ".pgn":
+				try {
+					final GamePane	gamePane	= mainWindow.addGamePane(name);
+					PGNDatabase		pgnDB		= new PGNDatabase();
+					pgnDB.load(file);
+					if (pgnDB.getGames().size() > 0) {
+						String[] gameNames = new String[pgnDB.getGames().size()];
+						for (int i = 0; i < gameNames.length; i++) {
+							final PGNGame game = pgnDB.getGames().get(i);
+							gameNames[i] = String.format("%s vs %s: %s",
+									game.getTag("White"),
+									game.getTag("Black"),
+									game.getTag("Result"));
+						}
+						JComboBox<String> comboBox = new JComboBox<>(gameNames);
+						JOptionPane
+							.showInputDialog(mainWindow, comboBox, "Select a game", JOptionPane.QUESTION_MESSAGE);
+						DialogUtil.showGameConfigurationDialog(mainWindow, (whiteName, blackName) -> {
+							final Game game = new Game(gamePane.getBoardPane(), whiteName, blackName,
+									pgnDB.getGames().get(comboBox.getSelectedIndex()).getBoard());
+							game.start();
+						});
+					}
+				} catch (Exception e) {
+					e.printStackTrace();
+					JOptionPane.showMessageDialog(mainWindow,
+							"Failed to load the file " + file.getName() + ": " + e.toString(),
+							"File loading error",
+							JOptionPane.ERROR_MESSAGE);
+				}
+				break;
+			default:
+				JOptionPane.showMessageDialog(mainWindow,
+						"The file extension '" + extension + "' is not supported!",
+						"File loading error",
+						JOptionPane.ERROR_MESSAGE);
+		}
+	}
+
+	public void loadFENFile(File file) {
+
+	}
 }