Index: trunk/MagicSoft/Simulation/Detector/include-MC/MCCphoton.hxx
===================================================================
--- trunk/MagicSoft/Simulation/Detector/include-MC/MCCphoton.hxx	(revision 734)
+++ trunk/MagicSoft/Simulation/Detector/include-MC/MCCphoton.hxx	(revision 735)
@@ -50,4 +50,5 @@
 
 #define SIZE_OF_FLAGS  13
+#define SIZE_OF_MCCPHOTON    8   /* floats */
 
 // @endcode
@@ -125,5 +126,5 @@
   }
 
-  inline int mysize(void) { return ( sizeof(*this) ); }
+  inline int mysize(void) { return ( SIZE_OF_MCCPHOTON*sizeof(float) ); }
 
 };