diff --git a/examples/sky-shell/src/se/sics/contiki/collect/gui/BarChartPanel.java b/examples/sky-shell/src/se/sics/contiki/collect/gui/BarChartPanel.java
index 52bbb4ea0..a028675fd 100644
--- a/examples/sky-shell/src/se/sics/contiki/collect/gui/BarChartPanel.java
+++ b/examples/sky-shell/src/se/sics/contiki/collect/gui/BarChartPanel.java
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: BarChartPanel.java,v 1.3 2010/09/14 10:35:00 nifi Exp $
+ * $Id: BarChartPanel.java,v 1.4 2010/09/15 15:52:28 nifi Exp $
  *
  * -----------------------------------------------------------------
  *
@@ -34,14 +34,16 @@
  *
  * Authors : Joakim Eriksson, Niclas Finne
  * Created : 5 jul 2008
- * Updated : $Date: 2010/09/14 10:35:00 $
- *           $Revision: 1.3 $
+ * Updated : $Date: 2010/09/15 15:52:28 $
+ *           $Revision: 1.4 $
  */
 
 package se.sics.contiki.collect.gui;
 import java.awt.BorderLayout;
+import java.awt.Color;
 import java.awt.Component;
 import java.awt.Dimension;
+import java.awt.GradientPaint;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import javax.swing.JPanel;
@@ -115,6 +117,23 @@ public abstract class BarChartPanel extends JPanel implements Visualizer {
       });
     }
 
+    CategoryPlot plot = (CategoryPlot) chart.getPlot();
+    BarRenderer renderer = (BarRenderer) plot.getRenderer();
+    if (categories.length < 3) {
+      renderer.setDrawBarOutline(false);
+
+      GradientPaint gp = new GradientPaint(0.0f, 0.0f, Color.RED,
+          0.0f, 0.0f, new Color(128, 0, 0));
+      renderer.setSeriesPaint(0, gp);
+      if (categories.length > 1) {
+        gp = new GradientPaint(0.0f, 0.0f, Color.BLUE,
+            0.0f, 0.0f, new Color(0, 0, 128));
+        renderer.setSeriesPaint(1, gp);
+      }
+    } else {
+      renderer.setDrawBarOutline(true);
+    }
+
     add(chartPanel, BorderLayout.CENTER);
   }