Index: trunk/MagicSoft/Mars/mfileio/MWriteRootFile.h
===================================================================
--- trunk/MagicSoft/Mars/mfileio/MWriteRootFile.h	(revision 7000)
+++ trunk/MagicSoft/Mars/mfileio/MWriteRootFile.h	(revision 7001)
@@ -89,5 +89,5 @@
         // TBranchElement::kDeleteObject = BIT(16)
         // TTree::kFriendLock = BIT(17)
-        kIsNewTree  = BIT(17)
+        kIsNewTree  = BIT(23)
     };