--- a/src/devices/wifi/minstrel-wifi-manager.cc	Tue Oct 26 14:03:17 2010 +0200
+++ b/src/devices/wifi/minstrel-wifi-manager.cc	Tue Oct 26 14:16:10 2010 +0200
@@ -525,7 +525,7 @@
             }
 
           /// error check
-          if (idx >= m_nsupported || idx < 0)
+          if (idx >= m_nsupported)
             {
               NS_LOG_DEBUG ("ALERT!!! ERROR");
             }