diff --git a/src/main/java/fr/uha/gabalier/view/Preview.java b/src/main/java/fr/uha/gabalier/view/Preview.java
index 8b9b2eb..ad9dc90 100644
--- a/src/main/java/fr/uha/gabalier/view/Preview.java
+++ b/src/main/java/fr/uha/gabalier/view/Preview.java
@@ -12,7 +12,9 @@ import java.util.List;
 
 public class Preview extends JFrame {
 
-    static final int VIEW_WIDTH = 256;
+	private static final long serialVersionUID = -8104236322964434859L;
+	
+	static final int VIEW_WIDTH = 256;
     static final int VIEW_HEIGHT = 128;
 
     public static final String LEFT_COMMAND = "<";
@@ -32,6 +34,9 @@ public class Preview extends JFrame {
 
     public Preview() throws HeadlessException {
         model = new ArrayList<>();
+        
+		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
         // UI elements
         JMenuBar menuBar = new JMenuBar();
         setJMenuBar(menuBar);