diff -r 86f3ea771e24 -r ca2be963f3b9 launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Console.java
--- a/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Console.java	Thu Dec 20 21:54:33 2012 +0100
+++ b/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Console.java	Sat Dec 22 21:35:14 2012 +0100
@@ -44,6 +44,9 @@
     @JavaScriptBody(args = {"id", "attr", "value"}, body = 
         "window.document.getElementById(id)[attr] = value;")
     private static native void setAttr(String id, String attr, Object value);
+    
+    @JavaScriptBody(args = {}, body = "window.close();")
+    private static native void closeWindow();
 
     private static void log(String newText) {
         String id = "result";
@@ -68,6 +71,7 @@
                 log("\nGot \"" + data + "\"");
                 if (data.isEmpty()) {
                     log("No data, exiting");
+                    closeWindow();
                     break;
                 }