diff --git a/DDCore/CMakeLists.txt b/DDCore/CMakeLists.txt
index c569cefe18cfb6b985c164376ebb4c533af6eecd..c5796fffa2df735000f233d46f8bc803c010de25 100644
--- a/DDCore/CMakeLists.txt
+++ b/DDCore/CMakeLists.txt
@@ -21,6 +21,7 @@ dd4hep_package(    DDCore
 dd4hep_add_dictionary( G__DD4hep
   SOURCES include/DD4hep/*.h 
   include/DD4hep/objects/*.h 
+  include/XML/objects/*.h 
   ${DDSegmentation_INCLUDE_DIRS}/DDSegmentation/BitField64.h
   ${DDSegmentation_INCLUDE_DIRS}/DDSegmentation/Segmentation.h
   EXCLUDE include/DD4hep/DetFactoryHelper.h
@@ -28,6 +29,8 @@ dd4hep_add_dictionary( G__DD4hep
   include/DD4hep/Plugins.h
   include/DD4hep/IoStreams.h
   include/DD4hep/SurfaceInstaller.h
+  include/XML/tinyxml.h
+  include/XML/tinystring.h
   LINKDEF include/ROOT/LinkDef.h )
 
 #---Generate DDCore Library-------------------------------------------------------