diff --git a/tools/cooja/java/se/sics/cooja/radiomediums/UDGM.java b/tools/cooja/java/se/sics/cooja/radiomediums/UDGM.java
index 636c329de..ca3dcf06c 100644
--- a/tools/cooja/java/se/sics/cooja/radiomediums/UDGM.java
+++ b/tools/cooja/java/se/sics/cooja/radiomediums/UDGM.java
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: UDGM.java,v 1.18 2008/03/18 16:37:35 fros4943 Exp $
+ * $Id: UDGM.java,v 1.19 2009/02/18 10:11:32 fros4943 Exp $
  */
 
 package se.sics.cooja.radiomediums;
@@ -94,7 +94,6 @@ public class UDGM extends AbstractRadioMedium {
 
   private Random random = new Random();
 
-
   /**
    * Visualizes radio traffic in the UDGM. Allows a user to
    * change transmission ranges.
@@ -429,7 +428,7 @@ public class UDGM extends AbstractRadioMedium {
 
     myRadioMedium = this;
     mySimulation = simulation;
-    random.setSeed(simulation.getRandomSeed());
+    random = mySimulation.getRandomGenerator();
   }
 
   public RadioConnection createConnections(Radio sendingRadio) {
@@ -627,7 +626,7 @@ public class UDGM extends AbstractRadioMedium {
         SUCCESS_RATIO_RX = Double.parseDouble(element.getText());
       }
     }
-    random.setSeed(mySimulation.getRandomSeed());
+    random = mySimulation.getRandomGenerator();
     return true;
   }