diff --git a/src/mpi/examples/third-distributed.cc b/src/mpi/examples/third-distributed.cc
index 829b49e60..1e44a3a5c 100644
--- a/src/mpi/examples/third-distributed.cc
+++ b/src/mpi/examples/third-distributed.cc
@@ -18,12 +18,12 @@
 #include "ns3/point-to-point-module.h"
 #include "ns3/network-module.h"
 #include "ns3/applications-module.h"
-#include "ns3/wifi-module.h"
 #include "ns3/mobility-module.h"
 #include "ns3/csma-module.h"
 #include "ns3/internet-module.h"
-
 #include "ns3/mpi-module.h"
+#include "ns3/yans-wifi-helper.h"
+#include "ns3/ssid.h"
 
 // Default Network Topology
 //