diff --git a/DDG4/python/DDG4Dict.C b/DDG4/python/DDG4Dict.C
index 73b3e32b2ec3dcbf3c5b2bbb6a60c8ea60c07680..ec18b78c4f97f4d454afde772fa247c9b2b6d7ae 100644
--- a/DDG4/python/DDG4Dict.C
+++ b/DDG4/python/DDG4Dict.C
@@ -194,12 +194,12 @@ namespace dd4hep {
     };
 
     /// Container definitions for Geant4Vertex
-    typedef vector<Geant4Vertex*>  Geant4VertexVector;
-    typedef map<int,Geant4Vertex*> Geant4VertexIntMap;
+    typedef std::vector<Geant4Vertex*>  Geant4VertexVector;
+    typedef std::map<int,Geant4Vertex*> Geant4VertexIntMap;
 
     /// Container definitions for Geant4Particle
-    typedef vector<Geant4Particle*>  Geant4ParticleVector;
-    typedef map<int,Geant4Particle*> Geant4ParticleIntMap;
+    typedef std::vector<Geant4Particle*>  Geant4ParticleVector;
+    typedef std::map<int,Geant4Particle*> Geant4ParticleIntMap;
   }
 }