Index: trunk/MagicSoft/Mars/manalysis/MCerPhotEvt.cc
===================================================================
--- trunk/MagicSoft/Mars/manalysis/MCerPhotEvt.cc	(revision 3374)
+++ trunk/MagicSoft/Mars/manalysis/MCerPhotEvt.cc	(revision 3375)
@@ -434,5 +434,5 @@
     MCerPhotPix *pix;
     while ((pix = (MCerPhotPix*)TObjArrayIter::Next()))
-        if (pix->IsPixelUsed())
+        if (!fUsedOnly || (fUsedOnly && pix->IsPixelUsed()))
             return pix;
     return pix;