--- a/src/wifi/model/ap-wifi-mac.cc	Sat Jun 06 18:21:26 2015 +0200
+++ b/src/wifi/model/ap-wifi-mac.cc	Sun Jun 07 16:42:28 2015 +0200
@@ -207,7 +207,7 @@
       // Any value greater than 7 is invalid and likely indicates that
       // the packet had no QoS tag, so we revert to zero, which'll
       // mean that AC_BE is used.
-      if (tid >= 7)
+      if (tid > 7)
         {
           tid = 0;
         }