Index: /trunk/MagicSoft/Mars/mpedestal/MPedCalcPedRun.cc
===================================================================
--- /trunk/MagicSoft/Mars/mpedestal/MPedCalcPedRun.cc	(revision 4006)
+++ /trunk/MagicSoft/Mars/mpedestal/MPedCalcPedRun.cc	(revision 4007)
@@ -395,9 +395,13 @@
 
       if ((Int_t)fWindowSizeHiGain > diff)
-        fWindowSizeHiGain -= diff;
+        {
+          fWindowSizeHiGain -= diff;
+          fWindowSizeLoGain += diff;
+        }
       else
         {
           fWindowSizeLoGain += fWindowSizeHiGain;
-          fWindowSizeHiGain = 0;
+          fWindowSizeHiGain  = 0;
+          fLoGainFirst       = diff;
         }
     }