diff --git a/roofit/roofitcore/inc/RooTreeData.h b/roofit/roofitcore/inc/RooTreeData.h
index d5571317960984424c70fe4e33f4a705afc54fc9..2b0e8f82cfd3523964d00f000afdc7b729082af4 100644
--- a/roofit/roofitcore/inc/RooTreeData.h
+++ b/roofit/roofitcore/inc/RooTreeData.h
@@ -26,7 +26,8 @@ class RooTreeData : public RooAbsData {
 public:
 
   // Constructors, factory methods etc.
-  RooTreeData() {} ; 
+  RooTreeData() : _tree(0) {} ; 
+  const TTree *GetTree() const { return _tree; }
   
 private: