diff --git a/DDG4/python/DDG4.py b/DDG4/python/DDG4.py
index f1aff5f8509fc994d3cfd7f5128baaa19a2e7e52..3ee3ac22e086d01a5a5c3436ce06f4885ccace6b 100644
--- a/DDG4/python/DDG4.py
+++ b/DDG4/python/DDG4.py
@@ -224,6 +224,7 @@ _import_class('Sim','Geant4PhaseAction')
 _import_class('Sim','Geant4UserParticleHandler')
 _import_class('Sim','Geant4UserInitialization')
 _import_class('Sim','Geant4DetectorConstruction')
+_import_class('Sim','Geant4GeneratorWrapper')
 
 #---------------------------------------------------------------------------
 def _get(self, name):
diff --git a/DDG4/python/DDG4Dict.C b/DDG4/python/DDG4Dict.C
index 150a19a731c4b08a44144647c9d0be6bcc2ce4dc..dc3829f9158187a3a5784bf1bfc6b3263ec90c7f 100644
--- a/DDG4/python/DDG4Dict.C
+++ b/DDG4/python/DDG4Dict.C
@@ -23,6 +23,7 @@
 #include "DDG4/DDG4Dict.h"
 #include "DDG4/Geant4DataDump.h"
 #include "DDG4/Geant4InputAction.h"
+#include "DDG4/Geant4GeneratorWrapper.h"
 
 namespace DD4hep {
   namespace Simulation  {
@@ -310,6 +311,7 @@ namespace {
 
 #pragma link C++ class FilterHandle;
 #pragma link C++ class Geant4Filter;
+#pragma link C++ class Geant4GeneratorWrapper;
 
 #pragma link C++ class PhaseActionHandle;
 #pragma link C++ class Geant4ActionPhase;