--- a/src/devices/csma/backoff.cc	Tue Dec 30 11:35:31 2008 -0800
+++ b/src/devices/csma/backoff.cc	Tue Jan 13 17:15:44 2009 -0500
@@ -64,7 +64,8 @@
       maxSlot = m_maxSlots;
     }
 
-  uint32_t backoffSlots = (uint32_t)UniformVariable::GetSingleValue(minSlot, maxSlot);
+  UniformVariable rng;
+  uint32_t backoffSlots = (uint32_t)rng.GetValue(minSlot, maxSlot);
 
   backoff = Scalar(backoffSlots) * m_slotTime;
   return (backoff);