diff --git a/examples/wireless/ht-wifi-network.cc b/examples/wireless/ht-wifi-network.cc
index 50b396b2f..30209dae9 100644
--- a/examples/wireless/ht-wifi-network.cc
+++ b/examples/wireless/ht-wifi-network.cc
@@ -319,7 +319,7 @@ int main (int argc, char *argv[])
           serverApp.Stop (Seconds (simulationTime+1));
 
           UdpClientHelper myClient (staNodeInterface.GetAddress (0), 9);
-          myClient.SetAttribute ("MaxPackets", UintegerValue (4294967295));
+          myClient.SetAttribute ("MaxPackets", UintegerValue (4294967295u));
           myClient.SetAttribute ("Interval", TimeValue (Time ("0.00002"))); //packets/s
           myClient.SetAttribute ("PacketSize", UintegerValue (payloadSize));
 
diff --git a/examples/wireless/simple-mpdu-aggregation.cc b/examples/wireless/simple-mpdu-aggregation.cc
index 0a62ff06c..ab123a709 100644
--- a/examples/wireless/simple-mpdu-aggregation.cc
+++ b/examples/wireless/simple-mpdu-aggregation.cc
@@ -145,7 +145,7 @@ int main (int argc, char *argv[])
   serverApp.Stop (Seconds (simulationTime+1));
       
   UdpClientHelper myClient (StaInterface.GetAddress (0), 9);
-  myClient.SetAttribute ("MaxPackets", UintegerValue (4294967295));
+  myClient.SetAttribute ("MaxPackets", UintegerValue (4294967295u));
   myClient.SetAttribute ("Interval", TimeValue (Time ("0.00002"))); //packets/s
   myClient.SetAttribute ("PacketSize", UintegerValue (payloadSize));
               
diff --git a/examples/wireless/simple-msdu-aggregation.cc b/examples/wireless/simple-msdu-aggregation.cc
index 6acb54986..141f85b1b 100644
--- a/examples/wireless/simple-msdu-aggregation.cc
+++ b/examples/wireless/simple-msdu-aggregation.cc
@@ -139,7 +139,7 @@ int main (int argc, char *argv[])
   serverApp.Stop (Seconds (simulationTime+1));
     
   UdpClientHelper myClient (StaInterface.GetAddress (0), 9);
-  myClient.SetAttribute ("MaxPackets", UintegerValue (4294967295));
+  myClient.SetAttribute ("MaxPackets", UintegerValue (4294967295u));
   myClient.SetAttribute ("Interval", TimeValue (Time ("0.00002"))); //packets/s
   myClient.SetAttribute ("PacketSize", UintegerValue (payloadSize));
     
diff --git a/examples/wireless/wifi-timing-attributes.cc b/examples/wireless/wifi-timing-attributes.cc
index d292b8262..85d77149d 100644
--- a/examples/wireless/wifi-timing-attributes.cc
+++ b/examples/wireless/wifi-timing-attributes.cc
@@ -147,7 +147,7 @@ int main (int argc, char *argv[])
   serverApp.Stop (Seconds (simulationTime));
 
   UdpClientHelper client (staNodeInterface.GetAddress (0), 9);
-  client.SetAttribute ("MaxPackets", UintegerValue (4294967295));
+  client.SetAttribute ("MaxPackets", UintegerValue (4294967295u));
   client.SetAttribute ("Interval", TimeValue (Time ("0.00002"))); //packets/s
   client.SetAttribute ("PacketSize", UintegerValue (1472)); //bytes