diff --git a/DDG4/include/DDG4/Geant4AssemblyVolume.h b/DDG4/include/DDG4/Geant4AssemblyVolume.h
index 328dc4537adfbf3e05e86d9692b9bd76e220f8e5..5372e0cdd2a6c507da70119ee1e6d42ad4eebecc 100644
--- a/DDG4/include/DDG4/Geant4AssemblyVolume.h
+++ b/DDG4/include/DDG4/Geant4AssemblyVolume.h
@@ -46,9 +46,9 @@ namespace dd4hep {
       std::vector<Geant4AssemblyVolume*> m_places;
       G4AssemblyVolume*            m_assembly;
 
+    public:
       /// Default constructor with initialization
       Geant4AssemblyVolume();
-
       /// Inhibit move construction
       Geant4AssemblyVolume(Geant4AssemblyVolume&& copy) = delete;
       /// Inhibit copy construction
@@ -57,7 +57,6 @@ namespace dd4hep {
       Geant4AssemblyVolume& operator=(Geant4AssemblyVolume&& copy) = delete;
       /// Inhibit copy assignment
       Geant4AssemblyVolume& operator=(const Geant4AssemblyVolume& copy) = delete;
-
       /// Default destructor
       virtual ~Geant4AssemblyVolume();