--- a/src/devices/wifi/qos-utils.cc	Tue Jun 02 19:46:01 2009 +0200
+++ b/src/devices/wifi/qos-utils.cc	Wed Jun 03 08:49:40 2009 +0200
@@ -59,7 +59,7 @@
 {
   QosTag qos;
   uint8_t tid = 8;
-  if (packet->FindFirstMatchingTag (qos))
+  if (packet->PeekPacketTag (qos))
     {
       if (qos.Get () < 8)
         {