Index: trunk/FACT++/src/feedback.cc
===================================================================
--- trunk/FACT++/src/feedback.cc	(revision 13872)
+++ trunk/FACT++/src/feedback.cc	(revision 13873)
@@ -871,6 +871,6 @@
         fSP = valarray<double>(0., BIAS::kNumChannels);
 
-        vector<float> vec(2*BIAS::kNumChannels, fBiasOffset);
-        vec[2*BIAS::kNumChannels+1] = fBiasOffset;
+        vector<float> vec(2*BIAS::kNumChannels+2, fBiasOffset);
+        vec[2*BIAS::kNumChannels]   = 0;
         fDimDeviation.setQuality(kIdle);
         fDimDeviation.Update(vec);