Index: trunk/MagicSoft/include-Classes/MMcFormat/MMcRunHeader.cxx
===================================================================
--- trunk/MagicSoft/include-Classes/MMcFormat/MMcRunHeader.cxx	(revision 8024)
+++ trunk/MagicSoft/include-Classes/MMcFormat/MMcRunHeader.cxx	(revision 8066)
@@ -126,4 +126,6 @@
     fShowerPhiMax = 0.0;
     fShowerPhiMin = 0.0;
+
+    fImpactMax = -1;
 
     fCWaveLower = 0.0;