diff --git a/tools/cooja/apps/mrm/java/se/sics/mrm/MRM.java b/tools/cooja/apps/mrm/java/se/sics/mrm/MRM.java
index 70017d163..72f258d28 100644
--- a/tools/cooja/apps/mrm/java/se/sics/mrm/MRM.java
+++ b/tools/cooja/apps/mrm/java/se/sics/mrm/MRM.java
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: MRM.java,v 1.10 2009/10/27 10:14:09 fros4943 Exp $
+ * $Id: MRM.java,v 1.11 2009/11/25 15:43:03 fros4943 Exp $
  */
 
 package se.sics.mrm;
@@ -148,10 +148,9 @@ public class MRM extends AbstractRadioMedium {
             }
           }
           if (existingConn != null) {
-            // Change radio from receiving to interfered
-            existingConn.removeDestination(listeningRadio);
+            /* Flag radio as interfered */
             existingConn.addInterfered(listeningRadio);
-
+            listeningRadio.interfereAnyReception();
           }
         } else {
           // Radio OK to receive
diff --git a/tools/cooja/java/se/sics/cooja/radiomediums/DirectedGraphMedium.java b/tools/cooja/java/se/sics/cooja/radiomediums/DirectedGraphMedium.java
index 5a0a66c8f..9cedeed83 100644
--- a/tools/cooja/java/se/sics/cooja/radiomediums/DirectedGraphMedium.java
+++ b/tools/cooja/java/se/sics/cooja/radiomediums/DirectedGraphMedium.java
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: DirectedGraphMedium.java,v 1.3 2009/10/27 10:10:03 fros4943 Exp $
+ * $Id: DirectedGraphMedium.java,v 1.4 2009/11/25 15:44:04 fros4943 Exp $
  */
 
 package se.sics.cooja.radiomediums;
@@ -318,7 +318,6 @@ public class DirectedGraphMedium extends AbstractRadioMedium {
           }
         }
         if (otherConnection != null) {
-          otherConnection.removeDestination(dest.radio);
           otherConnection.addInterfered(dest.radio);
         }
         continue;