diff --git a/DDG4/src/Geant4ShapeConverter.cpp b/DDG4/src/Geant4ShapeConverter.cpp
index 123a23de52642611f6e54a3b58d73a1efa343e25..9a957510a0c525eff99266a510459c5ec801c8e9 100644
--- a/DDG4/src/Geant4ShapeConverter.cpp
+++ b/DDG4/src/Geant4ShapeConverter.cpp
@@ -136,7 +136,7 @@ namespace dd4hep {
       z.reserve(nz);
       polygon.reserve(nz);
       for(size_t i=0; i<nz; ++i)   {
-        z.emplace_back(G4ExtrudedSolid::ZSection(sh->GetZ(i) * CM_2_MM,
+        z.emplace_back(sh->GetZ(i) * CM_2_MM,
                                                  {sh->GetXOffset(i), sh->GetYOffset(i)},
                                                  sh->GetScale(i));
         polygon.emplace_back(sh->GetX(i) * CM_2_MM,sh->GetY(i) * CM_2_MM);