diff --git a/cmake/Doxyfile.in b/cmake/Doxyfile.in
index df2e8749df9c5ba39d6b6f2440031eb7a07074fe..8621ef090fa6dc9e465f5774b807ebd89a25eb45 100644
--- a/cmake/Doxyfile.in
+++ b/cmake/Doxyfile.in
@@ -650,9 +650,13 @@ WARN_LOGFILE =
 # with spaces.
 
 INPUT = @CMAKE_CURRENT_SOURCE_DIR@/DDCore/src
+INPUT += @CMAKE_CURRENT_SOURCE_DIR@/DDCore/src/XML
 INPUT += @CMAKE_CURRENT_SOURCE_DIR@/DDCore/include/DD4hep
+INPUT += @CMAKE_CURRENT_SOURCE_DIR@/DDCore/include/XML
 INPUT += @CMAKE_CURRENT_SOURCE_DIR@/DDG4/src
 INPUT += @CMAKE_CURRENT_SOURCE_DIR@/DDG4/include/DDG4
+INPUT += @CMAKE_CURRENT_SOURCE_DIR@/DDSegmentation/src
+INPUT += @CMAKE_CURRENT_SOURCE_DIR@/DDSegmentation/include/DDSegmentation
 INPUT += @CMAKE_CURRENT_SOURCE_DIR@/DDSense/src
 INPUT += @CMAKE_CURRENT_SOURCE_DIR@/DDSense/include/DDSense
 #INPUT += @CMAKE_CURRENT_SOURCE_DIR@//src