diff --git a/tools/cooja/java/se/sics/cooja/interfaces/ApplicationSerialPort.java b/tools/cooja/java/se/sics/cooja/interfaces/ApplicationSerialPort.java
index 6d431d06a..33524f39e 100644
--- a/tools/cooja/java/se/sics/cooja/interfaces/ApplicationSerialPort.java
+++ b/tools/cooja/java/se/sics/cooja/interfaces/ApplicationSerialPort.java
@@ -2,6 +2,7 @@ package se.sics.cooja.interfaces;
 
 import se.sics.cooja.Mote;
 import se.sics.cooja.dialogs.SerialUI;
+import se.sics.cooja.motes.AbstractApplicationMote;
 
 public class ApplicationSerialPort extends SerialUI {
   private Mote mote;
@@ -26,12 +27,12 @@ public class ApplicationSerialPort extends SerialUI {
   }
 
   public void writeArray(byte[] s) {
-    /* Not implemented */
+    ((AbstractApplicationMote) getMote()).writeArray(s);
   }
   public void writeByte(byte b) {
-    /* Not implemented */
+    ((AbstractApplicationMote)getMote()).writeByte(b);
   }
   public void writeString(String s) {
-    /* Not implemented */
+    ((AbstractApplicationMote)getMote()).writeString(s);
   }
 }
diff --git a/tools/cooja/java/se/sics/cooja/motes/AbstractApplicationMote.java b/tools/cooja/java/se/sics/cooja/motes/AbstractApplicationMote.java
index 8773d51bc..6af72ce09 100644
--- a/tools/cooja/java/se/sics/cooja/motes/AbstractApplicationMote.java
+++ b/tools/cooja/java/se/sics/cooja/motes/AbstractApplicationMote.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: AbstractApplicationMote.java,v 1.9 2010/02/03 15:11:48 fros4943 Exp $
+ * $Id: AbstractApplicationMote.java,v 1.10 2010/03/05 14:59:43 fros4943 Exp $
  */
 
 package se.sics.cooja.motes;
@@ -188,4 +188,11 @@ public abstract class AbstractApplicationMote extends AbstractWakeupMote impleme
     return "AppMote " + getID();
   }
 
+  /* These methods should be overriden to allow application motes receiving serial data */
+  public void writeArray(byte[] s) {
+  }
+  public void writeByte(byte b) {
+  }
+  public void writeString(String s) {
+  }
 }