diff --git a/DDCore/include/DD4hep/VolumeManager.h b/DDCore/include/DD4hep/VolumeManager.h
index 1a9b2aa37571a7df60ddb2316fe257ea3b73472d..2600627b3b4c248d4946cc3d42f066bfab4aa70a 100644
--- a/DDCore/include/DD4hep/VolumeManager.h
+++ b/DDCore/include/DD4hep/VolumeManager.h
@@ -158,6 +158,7 @@ namespace DD4hep {
       /// Lookup the closest subdetector detector element in the hierarchy according to a contained 64 bit hit ID
       DetElement lookupDetElement(VolumeID volume_id) const;
       /// Access the transformation of a physical volume to the world coordinate system
+      [[gnu::deprecated("This function might be buggy and will be removed")]]
       const TGeoMatrix& worldTransformation(VolumeID volume_id) const;
     };