diff --git a/nilmrun/processmanager.py b/nilmrun/processmanager.py
index 2b4e629..807e6d6 100644
--- a/nilmrun/processmanager.py
+++ b/nilmrun/processmanager.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 import threading
 import subprocess
diff --git a/scripts/kill.py b/scripts/kill.py
index 34bd581..ee2b08e 100755
--- a/scripts/kill.py
+++ b/scripts/kill.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 from nilmdb.client.httpclient import HTTPClient, ClientError, ServerError
 from nilmdb.utils.printf import *
diff --git a/scripts/nilmrun_server.py b/scripts/nilmrun_server.py
index 1d135c9..40bc1a5 100755
--- a/scripts/nilmrun_server.py
+++ b/scripts/nilmrun_server.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 import nilmrun.server
 import argparse
diff --git a/scripts/ps.py b/scripts/ps.py
index 8e3655a..2b7b9f3 100755
--- a/scripts/ps.py
+++ b/scripts/ps.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 from nilmdb.client.httpclient import HTTPClient, ClientError, ServerError
 from nilmdb.utils.printf import *
diff --git a/scripts/run.py b/scripts/run.py
index 9bee01f..4b9e05d 100755
--- a/scripts/run.py
+++ b/scripts/run.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 from nilmdb.client.httpclient import HTTPClient, ClientError, ServerError
 from nilmdb.utils.printf import *
diff --git a/setup.py b/setup.py
index 382a59d..3eb8673 100755
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 # To release a new version, tag it:
 #   git tag -a nilmrun-1.1 -m "Version 1.1"
diff --git a/tests/runtests.py b/tests/runtests.py
index 8c25399..acb3574 100755
--- a/tests/runtests.py
+++ b/tests/runtests.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 import nose
 import os