diff --git a/Demo/pyasn1/sessiontrack.py b/Demo/pyasn1/sessiontrack.py
index 91909a3..33dddda 100644
--- a/Demo/pyasn1/sessiontrack.py
+++ b/Demo/pyasn1/sessiontrack.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 """
 demo_track_ldap_session.py
diff --git a/Demo/pyasn1/syncrepl.py b/Demo/pyasn1/syncrepl.py
index e4c62e8..3614792 100644
--- a/Demo/pyasn1/syncrepl.py
+++ b/Demo/pyasn1/syncrepl.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 """
 This script implements a syncrepl consumer which syncs data from an OpenLDAP
diff --git a/Demo/simplebrowse.py b/Demo/simplebrowse.py
index aa88f67..d13c368 100644
--- a/Demo/simplebrowse.py
+++ b/Demo/simplebrowse.py
@@ -1,4 +1,4 @@
-#! python
+#!/usr/bin/env python
 
 #
 # simple LDAP server browsing example