--- a/examples/wifi-ap.cc	Fri Apr 11 11:30:05 2008 -0700
+++ b/examples/wifi-ap.cc	Sun Apr 13 15:46:17 2008 -0700
@@ -151,8 +151,8 @@
   wifi.Install (ap, channel);
 
   // mobility.
-  mobility.Layout (stas);
-  mobility.Layout (ap);
+  mobility.Install (stas);
+  mobility.Install (ap);
 
   Simulator::Schedule (Seconds (1.0), &AdvancePosition, ap.Get (0));