diff -r cfed4f87e003 -r 060dba23e9bb src/flow-monitor/examples/wifi-olsr-flowmon.py
--- a/src/flow-monitor/examples/wifi-olsr-flowmon.py	Mon Aug 13 10:46:09 2012 -0700
+++ b/src/flow-monitor/examples/wifi-olsr-flowmon.py	Mon Aug 13 16:08:13 2012 -0700
@@ -70,8 +70,8 @@
     onOffHelper = ns.applications.OnOffHelper("ns3::UdpSocketFactory",
                                   ns.network.Address(ns.network.InetSocketAddress(ns.network.Ipv4Address("10.0.0.1"), port)))
     onOffHelper.SetAttribute("DataRate", ns.network.DataRateValue(ns.network.DataRate("100kbps")))
-    onOffHelper.SetAttribute("OnTime", ns.core.RandomVariableValue(ns.core.ConstantVariable(1)))
-    onOffHelper.SetAttribute("OffTime", ns.core.RandomVariableValue(ns.core.ConstantVariable(0)))
+    onOffHelper.SetAttribute("OnTime", ns.core.StringValue ("ns3::ConstantRandomVariable[Constant=1]"))
+    onOffHelper.SetAttribute("OffTime", ns.core.StringValue ("ns3::ConstantRandomVariable[Constant=0]"))
 
     addresses = []
     nodes = []