diff --git lsm/nstor_lsmplugin lsm/nstor_lsmplugin
index f183c86..9886181 100755
--- lsm/nstor_lsmplugin
+++ lsm/nstor_lsmplugin
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2.7
 
 #
 # Copyright (C) 2012 Nexenta Systems, Inc.
diff --git lsm/ontap_lsmplugin lsm/ontap_lsmplugin
index 2695fa7..4f14516 100755
--- lsm/ontap_lsmplugin
+++ lsm/ontap_lsmplugin
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2.7
 
 # Copyright (C) 2011-2013 Red Hat, Inc.
 # This library is free software; you can redistribute it and/or
diff --git lsm/sim_lsmplugin lsm/sim_lsmplugin
index e05dce5..fc19d13 100755
--- lsm/sim_lsmplugin
+++ lsm/sim_lsmplugin
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2.7
 
 # Copyright (C) 2011-2013 Red Hat, Inc.
 # This library is free software; you can redistribute it and/or
diff --git lsm/smispy_lsmplugin lsm/smispy_lsmplugin
index 015cb34..ae93bba 100755
--- lsm/smispy_lsmplugin
+++ lsm/smispy_lsmplugin
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2.7
 
 # Copyright (C) 2011-2013 Red Hat, Inc.
 # This library is free software; you can redistribute it and/or
diff --git lsm/targetd_lsmplugin lsm/targetd_lsmplugin
index f8e65bd..b3fa5bd 100755
--- lsm/targetd_lsmplugin
+++ lsm/targetd_lsmplugin
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2.7
 
 # Copyright (C) 2011-2013 Red Hat, Inc.
 # This library is free software; you can redistribute it and/or
diff --git lsm/v7k_lsmplugin lsm/v7k_lsmplugin
index b772c59..7c41850 100755
--- lsm/v7k_lsmplugin
+++ lsm/v7k_lsmplugin
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2.7
 
 # Copyright (C) 2013 IBM Corporation
 # This library is free software; you can redistribute it and/or
diff --git test/cmdtest.py test/cmdtest.py
index 0a545aa..c915bc8 100755
--- test/cmdtest.py
+++ test/cmdtest.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2.7
 
 # Copyright (C) 2011-2013 Red Hat, Inc.
 #
diff --git tools/lsmclipy/lsmcli tools/lsmclipy/lsmcli
index c115e61..2d2541e 100755
--- tools/lsmclipy/lsmcli
+++ tools/lsmclipy/lsmcli
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2.7
 
 # Copyright (C) 2012 Red Hat, Inc.
 # This library is free software; you can redistribute it and/or