Index: /trunk/MagicSoft/Mars/mcalib/MCalibrationPix.cc
===================================================================
--- /trunk/MagicSoft/Mars/mcalib/MCalibrationPix.cc	(revision 3821)
+++ /trunk/MagicSoft/Mars/mcalib/MCalibrationPix.cc	(revision 3822)
@@ -143,5 +143,5 @@
     return -1.;
 
-  if (fLoGainMean == 0. || fLoGainMean == -1.)
+  if ((fLoGainMean == 0.) || (fLoGainMean == -1.))
     return -1.;
 
Index: /trunk/MagicSoft/Mars/mfilter/MFCosmics.cc
===================================================================
--- /trunk/MagicSoft/Mars/mfilter/MFCosmics.cc	(revision 3821)
+++ /trunk/MagicSoft/Mars/mfilter/MFCosmics.cc	(revision 3822)
@@ -67,5 +67,5 @@
 MFCosmics::MFCosmics(const char *name, const char *title)
     : fPedestals(NULL), fSignals(NULL),
-      fRawEvt(NULL), fMaxEmptyPixels(0.4)
+      fRawEvt(NULL), fMaxEmptyPixels(0.2)
 {
     fName  = name  ? name  : "MFCosmics";