diff --git a/extras/fix-oversize-files.py b/extras/fix-oversize-files.py
index 14e27a0..b628d6e 100644
--- a/extras/fix-oversize-files.py
+++ b/extras/fix-oversize-files.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 import os
 import sys
diff --git a/nilmdb/scripts/nilmdb_fsck.py b/nilmdb/scripts/nilmdb_fsck.py
index dff70a7..37c841d 100755
--- a/nilmdb/scripts/nilmdb_fsck.py
+++ b/nilmdb/scripts/nilmdb_fsck.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 import nilmdb.fsck
 import argparse
diff --git a/nilmdb/scripts/nilmdb_server.py b/nilmdb/scripts/nilmdb_server.py
index 50e784d..c652104 100755
--- a/nilmdb/scripts/nilmdb_server.py
+++ b/nilmdb/scripts/nilmdb_server.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 import os
 import sys
diff --git a/nilmdb/scripts/nilmtool.py b/nilmdb/scripts/nilmtool.py
index fc10717..ae7057b 100755
--- a/nilmdb/scripts/nilmtool.py
+++ b/nilmdb/scripts/nilmtool.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 import nilmdb.cmdline
 
diff --git a/setup.py b/setup.py
index 00c6c6e..ce8cfea 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 nilmdb-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