diff --git a/Detector/DetComponents/src/GeoSvc.cpp b/Detector/DetComponents/src/GeoSvc.cpp
index 981c92e..0c85607 100644
--- a/Detector/DetComponents/src/GeoSvc.cpp
+++ b/Detector/DetComponents/src/GeoSvc.cpp
@@ -84,6 +84,8 @@ StatusCode GeoSvc::buildDD4HepGeo() {
   return StatusCode::SUCCESS;
 }
 
+dd4hep::Detector* GeoSvc::lcdd() { return m_dd4hepgeo; }
+
 dd4hep::Detector* GeoSvc::getDetector() { return m_dd4hepgeo; }
 
 dd4hep::DetElement GeoSvc::getDD4HepGeo() { return m_dd4hepgeo->world(); }
diff --git a/Detector/DetComponents/src/GeoSvc.h b/Detector/DetComponents/src/GeoSvc.h
index eb07327..2626b33 100644
--- a/Detector/DetComponents/src/GeoSvc.h
+++ b/Detector/DetComponents/src/GeoSvc.h
@@ -37,6 +37,8 @@ class GeoSvc : public extends<Service, IGeoSvc> {
   StatusCode buildGeant4Geo();
   // receive DD4hep Geometry
   virtual dd4hep::DetElement getDD4HepGeo() override;
+  [[deprecated("Use getDetector() instead")]]
+  virtual dd4hep::Detector* lcdd() override;
   virtual dd4hep::Detector* getDetector() override;
   virtual std::string constantAsString(std::string const& name) override;
   // receive Geant4 Geometry