diff --git a/processing/pre/geom_fromMinimalSurface.py b/processing/pre/geom_fromMinimalSurface.py
index 22ab2f53d..03a12682a 100755
--- a/processing/pre/geom_fromMinimalSurface.py
+++ b/processing/pre/geom_fromMinimalSurface.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2.7
+#!/usr/bin/env python
 # -*- coding: UTF-8 no BOM -*-
 
 import os,sys,math
diff --git a/processing/pre/geom_fromOsteonGeometry.py b/processing/pre/geom_fromOsteonGeometry.py
index dc481ef97..c1fb9b402 100755
--- a/processing/pre/geom_fromOsteonGeometry.py
+++ b/processing/pre/geom_fromOsteonGeometry.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2.7
+#!/usr/bin/env python
 # -*- coding: UTF-8 no BOM -*-
 
 import os,sys,math
diff --git a/processing/pre/geom_fromTable.py b/processing/pre/geom_fromTable.py
index 33b75b307..37e78a52f 100755
--- a/processing/pre/geom_fromTable.py
+++ b/processing/pre/geom_fromTable.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2.7
+#!/usr/bin/env python
 # -*- coding: UTF-8 no BOM -*-
 
 import os,sys,math,time
diff --git a/processing/pre/geom_fromVoronoiTessellation.py b/processing/pre/geom_fromVoronoiTessellation.py
index f57f1d35e..79dc29c9e 100755
--- a/processing/pre/geom_fromVoronoiTessellation.py
+++ b/processing/pre/geom_fromVoronoiTessellation.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2.7
+#!/usr/bin/env python
 # -*- coding: UTF-8 no BOM -*-
 
 import os,sys,math
diff --git a/processing/pre/hybridIA_linODFsampling.py b/processing/pre/hybridIA_linODFsampling.py
index d1b0efd57..b22be3aca 100755
--- a/processing/pre/hybridIA_linODFsampling.py
+++ b/processing/pre/hybridIA_linODFsampling.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2.7
+#!/usr/bin/env python
 # -*- coding: UTF-8 no BOM -*-
 
 from optparse import OptionParser
diff --git a/processing/pre/mentat_spectralBox.py b/processing/pre/mentat_spectralBox.py
index 0299b35dc..146f14b34 100755
--- a/processing/pre/mentat_spectralBox.py
+++ b/processing/pre/mentat_spectralBox.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2.7
+#!/usr/bin/env python
 # -*- coding: UTF-8 no BOM -*-
 
 import os,sys