diff --git a/DDG4/CMakeLists.txt b/DDG4/CMakeLists.txt
index bc42b6408876eaee6a19469bc5abc6074810cb66..6e8f05e093cf98b6f6128b6922f189da258bda44 100644
--- a/DDG4/CMakeLists.txt
+++ b/DDG4/CMakeLists.txt
@@ -123,6 +123,11 @@ file(GLOB DDG4_python python/*.py python/*.C)
 install(FILES ${DDG4_python} DESTINATION lib/python${Python_VERSION_MAJOR}.${Python_VERSION_MINOR}/site-packages)
 
 install(PROGRAMS python/DDSim/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(DIRECTORY python/DDSim DESTINATION lib/python${Python_VERSION_MAJOR}.${Python_VERSION_MINOR}/site-packages)
 
 install(DIRECTORY examples DESTINATION examples/DDG4)
diff --git a/DDG4/python/checkGeometry.py b/DDG4/python/bin/checkGeometry.py
similarity index 99%
rename from DDG4/python/checkGeometry.py
rename to DDG4/python/bin/checkGeometry.py
index 3f414f852adf5b3749e758c800fae15e4c3a1b75..a64a52a9f1b32e951199b29f3532e7a7bf7b15bb 100755
--- a/DDG4/python/checkGeometry.py
+++ b/DDG4/python/bin/checkGeometry.py
@@ -1,4 +1,4 @@
-#!/bin/python
+#!/usr/bin/env python
 # ==========================================================================
 #  AIDA Detector description implementation
 # --------------------------------------------------------------------------
diff --git a/DDG4/python/checkOverlaps.py b/DDG4/python/bin/checkOverlaps.py
similarity index 99%
rename from DDG4/python/checkOverlaps.py
rename to DDG4/python/bin/checkOverlaps.py
index 717ccfaa060bae03d842bebd584bd6818c095ba0..af120811cbe0ff147e5ca5dda5de8eadce7b22fd 100755
--- a/DDG4/python/checkOverlaps.py
+++ b/DDG4/python/bin/checkOverlaps.py
@@ -1,4 +1,4 @@
-#!/bin/python
+#!/usr/bin/env python
 # ==========================================================================
 #  AIDA Detector description implementation
 # --------------------------------------------------------------------------
diff --git a/DDG4/python/g4MaterialScan.py b/DDG4/python/bin/g4MaterialScan.py
old mode 100644
new mode 100755
similarity index 99%
rename from DDG4/python/g4MaterialScan.py
rename to DDG4/python/bin/g4MaterialScan.py
index 8df59a90715697fb0ddd1c1309840b3a0734a70d..0a5387f97154b3ca3a8182899d32bc6d8c7fb384
--- a/DDG4/python/g4MaterialScan.py
+++ b/DDG4/python/bin/g4MaterialScan.py
@@ -1,4 +1,4 @@
-#!/bin/python
+#!/usr/bin/env python
 # ==========================================================================
 #  AIDA Detector description implementation
 # --------------------------------------------------------------------------