--- PamCut/CollectionActions/Histo1DActions/Histo1DAction/Histo1DAction.h	2009/10/27 10:17:46	1.2
+++ PamCut/CollectionActions/Histo1DActions/Histo1DAction/Histo1DAction.h	2009/12/08 17:37:25	1.4
@@ -154,11 +154,22 @@
   // No ROOT histogram for generic type; see template specializations in .cpp file.
   _rootHisto = NULL;
 }
+// Specializations for _CreateHistos(). See Histo1DAction.cpp
+template<>
+void Histo1DAction<Int_t>::_CreateHisto();
+
+template<>
+void Histo1DAction<Float_t>::_CreateHisto();
+
+template<>
+void Histo1DAction<Double_t>::_CreateHisto();
 
 template<class HistoType>
 void Histo1DAction<HistoType>::_InitHistos() {
 
   _CreateHisto();
+  if (_bins.size() < 2) // SetXAxis not called by the main program, or wrongly filled (only 1 bin limit)
+    SetXAxis("Default X", 10, 0., 1.);
 
   if (_rootHisto) {
     Double_t *auxArray = new Double_t[_bins.size()];
@@ -183,6 +194,10 @@
 
 template<class HistoType>
 Histo1DAction<HistoType>::~Histo1DAction() {
+
+  delete _rootHisto;
+  _rootHisto = NULL;
+
 }
 
 template<class HistoType>