--- a/src/wifi/model/yans-wifi-phy.cc	Sun May 22 21:57:24 2011 -0700
+++ b/src/wifi/model/yans-wifi-phy.cc	Sun May 22 22:28:15 2011 -0700
@@ -786,7 +786,7 @@
       uint32_t dataRate500KbpsUnits = event->GetPayloadMode ().GetDataRate () / 500000;
       bool isShortPreamble = (WIFI_PREAMBLE_SHORT == event->GetPreambleType ());
       double signalDbm = RatioToDb (event->GetRxPowerW ()) + 30;
-      double noiseDbm = RatioToDb (event->GetRxPowerW () / snrPer.snr) - GetRxNoiseFigure () + 30 ;
+      double noiseDbm = RatioToDb (event->GetRxPowerW () / snrPer.snr) - GetRxNoiseFigure () + 30;
       NotifyPromiscSniffRx (packet, (uint16_t)GetChannelFrequencyMhz (), GetChannelNumber (), dataRate500KbpsUnits, isShortPreamble, signalDbm, noiseDbm);
       m_state->SwitchFromRxEndOk (packet, snrPer.snr, event->GetPayloadMode (), event->GetPreambleType ());
     }