diff --git a/src/dev/kske/minesweeper/CustomDialog.java b/src/dev/kske/minesweeper/CustomDialog.java
index e284f58..328cd22 100644
--- a/src/dev/kske/minesweeper/CustomDialog.java
+++ b/src/dev/kske/minesweeper/CustomDialog.java
@@ -13,7 +13,6 @@ import javax.swing.JPanel;
 import javax.swing.JSlider;
 import javax.swing.border.EmptyBorder;
 
-
 /**
  * Project: <strong>Minesweeper</strong><br>
  * File: <strong>CustomDialog.java</strong><br>
@@ -23,8 +22,9 @@ import javax.swing.border.EmptyBorder;
 public class CustomDialog extends JDialog {
 
 	private static final long	serialVersionUID	= -4019516811065781434L;
-	private final JPanel mcontentPanel = new JPanel();
-	private final JSlider		sliderBoardWidth, sliderBoardHeight, sliderNumMines;
+	private final JPanel		mcontentPanel		= new JPanel();
+
+	private BoardConfig result;
 
 	/**
 	 * Create the dialog.
@@ -43,13 +43,11 @@ public class CustomDialog extends JDialog {
 			lblBoardWidth.setFont(new Font("Tahoma", Font.PLAIN, 14));
 			mcontentPanel.add(lblBoardWidth);
 		}
-		{
-			sliderBoardWidth = new JSlider();
-			sliderBoardWidth.setValue(16);
-			sliderBoardWidth.setMinimum(2);
-			sliderBoardWidth.setMaximum(30);
-			mcontentPanel.add(sliderBoardWidth);
-		}
+		JSlider sliderBoardWidth = new JSlider();
+		sliderBoardWidth.setValue(16);
+		sliderBoardWidth.setMinimum(2);
+		sliderBoardWidth.setMaximum(30);
+		mcontentPanel.add(sliderBoardWidth);
 		{
 			JLabel label = new JLabel("");
 			mcontentPanel.add(label);
@@ -59,13 +57,11 @@ public class CustomDialog extends JDialog {
 			lblBoardHeight.setFont(new Font("Tahoma", Font.PLAIN, 14));
 			mcontentPanel.add(lblBoardHeight);
 		}
-		{
-			sliderBoardHeight = new JSlider();
-			sliderBoardHeight.setValue(16);
-			sliderBoardHeight.setMaximum(30);
-			sliderBoardHeight.setMinimum(2);
-			mcontentPanel.add(sliderBoardHeight);
-		}
+		JSlider sliderBoardHeight = new JSlider();
+		sliderBoardHeight.setValue(16);
+		sliderBoardHeight.setMaximum(30);
+		sliderBoardHeight.setMinimum(2);
+		mcontentPanel.add(sliderBoardHeight);
 		{
 			JLabel label = new JLabel("");
 			mcontentPanel.add(label);
@@ -75,13 +71,11 @@ public class CustomDialog extends JDialog {
 			lblNumberOfMines.setFont(new Font("Tahoma", Font.PLAIN, 14));
 			mcontentPanel.add(lblNumberOfMines);
 		}
-		{
-			sliderNumMines = new JSlider();
-			sliderNumMines.setValue(16);
-			sliderNumMines.setMinimum(2);
-			sliderNumMines.setMaximum(200);
-			mcontentPanel.add(sliderNumMines);
-		}
+		JSlider sliderNumMines = new JSlider();
+		sliderNumMines.setValue(16);
+		sliderNumMines.setMinimum(2);
+		sliderNumMines.setMaximum(200);
+		mcontentPanel.add(sliderNumMines);
 		{
 			JLabel label = new JLabel("");
 			mcontentPanel.add(label);
@@ -93,6 +87,11 @@ public class CustomDialog extends JDialog {
 			{
 				JButton okButton = new JButton("Start Game");
 				okButton.setActionCommand("OK");
+				okButton.addActionListener((evt) -> {
+					result = new BoardConfig(sliderBoardWidth.getValue(), sliderBoardHeight.getValue(),
+							sliderNumMines.getValue());
+					dispose();
+				});
 				buttonPane.add(okButton);
 				getRootPane().setDefaultButton(okButton);
 			}
@@ -103,9 +102,10 @@ public class CustomDialog extends JDialog {
 				buttonPane.add(cancelButton);
 			}
 		}
-		setVisible(true);
 	}
-	public BoardConfig getBoardConfig() {
-		return new BoardConfig(sliderBoardWidth.getValue(), sliderBoardHeight.getValue(), sliderNumMines.getValue());
+
+	public BoardConfig showDialog() {
+		setVisible(true);
+		return result;
 	}
 }
diff --git a/src/dev/kske/minesweeper/Minesweeper.java b/src/dev/kske/minesweeper/Minesweeper.java
index 242a929..9c2af9d 100644
--- a/src/dev/kske/minesweeper/Minesweeper.java
+++ b/src/dev/kske/minesweeper/Minesweeper.java
@@ -133,6 +133,10 @@ public class Minesweeper {
 		easyMenuItem.addActionListener((evt) -> initGame(easyConfig));
 		mediumMenuItem.addActionListener((evt) -> initGame(mediumConfig));
 		hardMenuItem.addActionListener((evt) -> initGame(hardConfig));
+		customMenuItem.addActionListener((evt) -> {
+			BoardConfig cfg = new CustomDialog(mframe).showDialog();
+			if (cfg != null) initGame(cfg);
+		});
 		aboutMenuItem.addActionListener((evt) -> {
 			JOptionPane.showMessageDialog(board, "Minesweeper version " + VERSION + "\nby Kai S. K. Engelbart");
 		});