diff --git a/tools/cooja/java/se/sics/cooja/plugins/Visualizer.java b/tools/cooja/java/se/sics/cooja/plugins/Visualizer.java
index ec34d085c..d9fd5393d 100644
--- a/tools/cooja/java/se/sics/cooja/plugins/Visualizer.java
+++ b/tools/cooja/java/se/sics/cooja/plugins/Visualizer.java
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: Visualizer.java,v 1.11 2009/10/16 13:14:54 fros4943 Exp $
+ * $Id: Visualizer.java,v 1.12 2010/01/13 12:29:10 nifi Exp $
  */
 
 package se.sics.cooja.plugins;
@@ -36,8 +36,10 @@ import java.awt.Color;
 import java.awt.Cursor;
 import java.awt.Dimension;
 import java.awt.Graphics;
+import java.awt.Graphics2D;
 import java.awt.MouseInfo;
 import java.awt.Point;
+import java.awt.RenderingHints;
 import java.awt.datatransfer.DataFlavor;
 import java.awt.datatransfer.Transferable;
 import java.awt.datatransfer.UnsupportedFlavorException;
@@ -203,6 +205,7 @@ public class Visualizer extends VisPlugin {
           resetViewport--;
         }
 
+        ((Graphics2D)g).setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
         for (VisualizerSkin skin: currentSkins) {
           skin.paintBeforeMotes(g);
         }