--- a/src/wifi/model/onoe-wifi-manager.cc	Sun May 22 21:57:24 2011 -0700
+++ b/src/wifi/model/onoe-wifi-manager.cc	Sun May 22 22:28:15 2011 -0700
@@ -181,7 +181,7 @@
           station->m_tx_upper--;
         }
       break;
-    case - 1:
+    case -1:
       if (nrate > 0)
         {
           nrate--;