diff --git a/DDCore/CMakeLists.txt b/DDCore/CMakeLists.txt
index 5527aac26..2ba7261ac 100644
--- a/DDCore/CMakeLists.txt
+++ b/DDCore/CMakeLists.txt
@@ -141,6 +141,9 @@ ENDIF()
 file(GLOB DDCore_Python python/*.py)
 install(FILES ${DDCore_Python} DESTINATION ${DD4HEP_PYTHON_INSTALL_DIR})
 
+install(PROGRAMS python/bin/checkOverlaps.py DESTINATION bin RENAME checkOverlaps)
+install(PROGRAMS python/bin/checkGeometry.py DESTINATION bin RENAME checkGeometry)
+
 # install header files
 install(DIRECTORY
   include/DDSegmentation
diff --git a/DDG4/python/bin/checkGeometry.py b/DDCore/python/bin/checkGeometry.py
similarity index 100%
rename from DDG4/python/bin/checkGeometry.py
rename to DDCore/python/bin/checkGeometry.py
diff --git a/DDG4/python/bin/checkOverlaps.py b/DDCore/python/bin/checkOverlaps.py
similarity index 100%
rename from DDG4/python/bin/checkOverlaps.py
rename to DDCore/python/bin/checkOverlaps.py
diff --git a/DDG4/CMakeLists.txt b/DDG4/CMakeLists.txt
index 33dd559cc..0a341469d 100644
--- a/DDG4/CMakeLists.txt
+++ b/DDG4/CMakeLists.txt
@@ -172,8 +172,6 @@ get_filename_component(PYTHON_INTERPRETER_BINARY ${Python_EXECUTABLE} NAME)
 configure_file(python/DDSim/bin/ddsim.in.py ${CMAKE_BINARY_DIR}/bin/ddsim @ONLY)
 install(PROGRAMS ${CMAKE_BINARY_DIR}/bin/ddsim DESTINATION bin)
 
-install(PROGRAMS python/bin/checkOverlaps.py DESTINATION bin RENAME checkOverlaps)
-install(PROGRAMS python/bin/checkGeometry.py DESTINATION bin RENAME checkGeometry)
 install(PROGRAMS python/bin/g4MaterialScan.py DESTINATION bin RENAME g4MaterialScan)
 install(PROGRAMS python/bin/g4GeometryScan.py DESTINATION bin RENAME g4GeometryScan)