Index: /trunk/FACT++/src/feedback.cc
===================================================================
--- /trunk/FACT++/src/feedback.cc	(revision 13555)
+++ /trunk/FACT++/src/feedback.cc	(revision 13556)
@@ -228,5 +228,5 @@
             // dU[i] = { Im[i] - Iavg[i] + (U0-dT)/Ravg[i] } * r    with   r := 1 / (1/R[g]+1/Ravg[i])
 
-            const double U0 = fCalibrationOffset-fAppliedOffset;
+            const double U0 = fAppliedOffset-fCalibrationOffset;
 
             for (int i=0; i<BIAS::kNumChannels; i++)