diff --git a/examples/csma-one-subnet.cc b/examples/csma-one-subnet.cc
index 28d1f403b..ea74763c8 100644
--- a/examples/csma-one-subnet.cc
+++ b/examples/csma-one-subnet.cc
@@ -103,19 +103,21 @@ main (int argc, char *argv[])
   // Create an optional packet sink to receive these packets
   PacketSinkHelper sink ("ns3::UdpSocketFactory",
     Address (InetSocketAddress (Ipv4Address::GetAny (), port)));
-  sink.Install (nodes.Get (1));
+  app = sink.Install (nodes.Get (1));
+  app.Start (Seconds (0.0));
 
 // 
 // Create a similar flow from n3 to n0, starting at time 1.1 seconds
 //
   onoff.SetAttribute ("Remote", 
                       AddressValue (InetSocketAddress (interfaces.GetAddress (0), port)));
-  ApplicationContainer app2 = onoff.Install (nodes.Get (3));
+  app = onoff.Install (nodes.Get (3));
+  app.Start(Seconds (1.1));
+  app.Stop (Seconds (10.0));
 
-  sink.Install (nodes.Get (0));
+  app = sink.Install (nodes.Get (0));
+  app.Start (Seconds (0.0));
 
-  app2.Start(Seconds (1.1));
-  app2.Stop (Seconds (10.0));
 //
 // Configure tracing of all enqueue, dequeue, and NetDevice receive events.
 // Trace output will be sent to the file "csma-one-subnet.tr"