diff --git a/tools/cooja/java/se/sics/cooja/GUI.java b/tools/cooja/java/se/sics/cooja/GUI.java
index fc4e7478c..59c420592 100644
--- a/tools/cooja/java/se/sics/cooja/GUI.java
+++ b/tools/cooja/java/se/sics/cooja/GUI.java
@@ -24,7 +24,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  * 
- * $Id: GUI.java,v 1.47 2007/05/18 13:45:19 fros4943 Exp $
+ * $Id: GUI.java,v 1.48 2007/05/18 14:08:19 fros4943 Exp $
  */
 
 package se.sics.cooja;
@@ -534,6 +534,14 @@ public class GUI {
     menuItem.addActionListener(guiEventHandler);
     menu.add(menuItem);
 
+    menu.addSeparator();
+
+    menuItem = new JMenuItem("Java version: "
+        + System.getProperty("java.version") + " ("
+        + System.getProperty("java.vendor") + ")");
+    menuItem.setEnabled(false);
+    menu.add(menuItem);
+
     // Mote plugins popup menu (not available via menu bar)
     menuMotePluginClasses = new Vector<Class<? extends Plugin>>();
     return menuBar;