diff --git a/test/edu/nps/moves/dis7/SignalPdusTest.java b/test/edu/nps/moves/dis7/SignalPdusTest.java
index 27f2851c65be33eb01cce9463866d518cb2ec646..adf06dbbadbe0b06e9864ca19f99da0823c34386 100644
--- a/test/edu/nps/moves/dis7/SignalPdusTest.java
+++ b/test/edu/nps/moves/dis7/SignalPdusTest.java
@@ -49,6 +49,7 @@ public class SignalPdusTest {
         System.out.println("SignalPdusTest");
         
         pduRecorder = new PduRecorder(); // default dir
+        pduRecorder.start();
         disNetworkInterface = pduRecorder.getDisThreadedNetworkInterface();
         pduListener = new DisThreadedNetworkInterface.PduListener() {
           @Override