diff --git a/RTCP/CNProc/src/PostCorrelationFlagger.cc b/RTCP/CNProc/src/PostCorrelationFlagger.cc
index fea36414b074c9a56626ce29b6342ce5a5491eda..891bf4551756b983396bc9db5819eb2fec221daf 100644
--- a/RTCP/CNProc/src/PostCorrelationFlagger.cc
+++ b/RTCP/CNProc/src/PostCorrelationFlagger.cc
@@ -37,7 +37,7 @@ void PostCorrelationFlagger::thresholdingFlagger(CorrelatedData* correlatedData)
 {
   thresholdingFlaggerTimer.start();
   
-  float threshold = itsPowerMean + itsCutoffThreshold * itsPowerStdDev;
+  float threshold = itsPowerMedian + itsCutoffThreshold * itsPowerStdDev;
 
   unsigned index = 0;
   unsigned totalSamplesFlagged = 0;