diff --git a/src/flow-monitor/examples/wifi-olsr-flowmon.py b/src/flow-monitor/examples/wifi-olsr-flowmon.py
index f2184617f..26740f485 100644
--- a/src/flow-monitor/examples/wifi-olsr-flowmon.py
+++ b/src/flow-monitor/examples/wifi-olsr-flowmon.py
@@ -16,6 +16,7 @@
 # 
 #  Authors: Gustavo Carneiro <gjc@inescporto.pt>
 
+from __future__ import print_function
 import sys
 
 import ns.applications
@@ -122,32 +123,32 @@ def main(argv):
     ns.core.Simulator.Run()
 
     def print_stats(os, st):
-        print >> os, "  Tx Bytes: ", st.txBytes
-        print >> os, "  Rx Bytes: ", st.rxBytes
-        print >> os, "  Tx Packets: ", st.txPackets
-        print >> os, "  Rx Packets: ", st.rxPackets
-        print >> os, "  Lost Packets: ", st.lostPackets
+        print ("  Tx Bytes: ", st.txBytes, file=os)
+        print ("  Rx Bytes: ", st.rxBytes, file=os)
+        print ("  Tx Packets: ", st.txPackets, file=os)
+        print ("  Rx Packets: ", st.rxPackets, file=os)
+        print ("  Lost Packets: ", st.lostPackets, file=os)
         if st.rxPackets > 0:
-            print >> os, "  Mean{Delay}: ", (st.delaySum.GetSeconds() / st.rxPackets)
-            print >> os, "  Mean{Jitter}: ", (st.jitterSum.GetSeconds() / (st.rxPackets-1))
-            print >> os, "  Mean{Hop Count}: ", float(st.timesForwarded) / st.rxPackets + 1
+            print ("  Mean{Delay}: ", (st.delaySum.GetSeconds() / st.rxPackets), file=os)
+            print ("  Mean{Jitter}: ", (st.jitterSum.GetSeconds() / (st.rxPackets-1)), file=os)
+            print ("  Mean{Hop Count}: ", float(st.timesForwarded) / st.rxPackets + 1, file=os)
 
         if 0:
-            print >> os, "Delay Histogram"
+            print ("Delay Histogram", file=os)
             for i in range(st.delayHistogram.GetNBins () ):
-              print >> os, " ",i,"(", st.delayHistogram.GetBinStart (i), "-", \
-                  st.delayHistogram.GetBinEnd (i), "): ", st.delayHistogram.GetBinCount (i)
-            print >> os, "Jitter Histogram"
+              print (" ",i,"(", st.delayHistogram.GetBinStart (i), "-", \
+                  st.delayHistogram.GetBinEnd (i), "): ", st.delayHistogram.GetBinCount (i), file=os)
+            print ("Jitter Histogram", file=os)
             for i in range(st.jitterHistogram.GetNBins () ):
-              print >> os, " ",i,"(", st.jitterHistogram.GetBinStart (i), "-", \
-                  st.jitterHistogram.GetBinEnd (i), "): ", st.jitterHistogram.GetBinCount (i)
-            print >> os, "PacketSize Histogram"
+              print (" ",i,"(", st.jitterHistogram.GetBinStart (i), "-", \
+                  st.jitterHistogram.GetBinEnd (i), "): ", st.jitterHistogram.GetBinCount (i), file=os)
+            print ("PacketSize Histogram", file=os)
             for i in range(st.packetSizeHistogram.GetNBins () ):
-              print >> os, " ",i,"(", st.packetSizeHistogram.GetBinStart (i), "-", \
-                  st.packetSizeHistogram.GetBinEnd (i), "): ", st.packetSizeHistogram.GetBinCount (i)
+              print (" ",i,"(", st.packetSizeHistogram.GetBinStart (i), "-", \
+                  st.packetSizeHistogram.GetBinEnd (i), "): ", st.packetSizeHistogram.GetBinCount (i), file=os)
 
         for reason, drops in enumerate(st.packetsDropped):
-            print ("  Packets dropped by reason %i: %i" % (reason, drops))
+            print ("  Packets dropped by reason %i: %i" % (reason, drops), file=os)
         #for reason, drops in enumerate(st.bytesDropped):
         #    print "Bytes dropped by reason %i: %i" % (reason, drops)