diff --git a/examples/routing/manet-routing-compare.cc b/examples/routing/manet-routing-compare.cc
index 0c603c478..e8f2f3a80 100644
--- a/examples/routing/manet-routing-compare.cc
+++ b/examples/routing/manet-routing-compare.cc
@@ -289,6 +289,7 @@ RoutingExperiment::Run (int nSinks, double txp, std::string CSVfileName)
   mobilityAdhoc.SetPositionAllocator (taPositionAlloc);
   mobilityAdhoc.Install (adhocNodes);
   streamIndex += mobilityAdhoc.AssignStreams (adhocNodes, streamIndex);
+  NS_UNUSED (streamIndex); // From this point, streamIndex is unused
 
   AodvHelper aodv;
   OlsrHelper olsr;