Index: trunk/MagicSoft/Mars/mbase/MReadTree.cc
===================================================================
--- trunk/MagicSoft/Mars/mbase/MReadTree.cc	(revision 1339)
+++ trunk/MagicSoft/Mars/mbase/MReadTree.cc	(revision 1340)
@@ -152,4 +152,8 @@
 MReadTree::~MReadTree()
 {
+#if ROOT_VERSION_CODE < ROOT_VERSION(3,03,00)
+    if (fChain->GetFile())
+        delete fChain->GetFile();
+#endif
     //
     // Delete all the pointers to pointers to the objects where the