diff --git a/experiments/kwin-stop/xlib-example.py b/experiments/kwin-stop/xlib-example.py
index a0d6206..781c196 100644
--- a/experiments/kwin-stop/xlib-example.py
+++ b/experiments/kwin-stop/xlib-example.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python -Es
+#!/usr/bin/python3 -Es
 
 from __future__ import print_function
 import os
diff --git a/experiments/powertop2tuned.py b/experiments/powertop2tuned.py
index 76d048a..211df2d 100755
--- a/experiments/powertop2tuned.py
+++ b/experiments/powertop2tuned.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python -Es
+#!/usr/bin/python3 -Es
 # -*- coding: utf-8 -*-
 #
 # Copyright (C) 2008-2013 Red Hat, Inc.
diff --git a/libexec/defirqaffinity.py b/libexec/defirqaffinity.py
index b667fb4..ab7dca5 100755
--- a/libexec/defirqaffinity.py
+++ b/libexec/defirqaffinity.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 
 # Helper script for realtime profiles provided by RT
 
diff --git a/libexec/pmqos-static.py b/libexec/pmqos-static.py
index d97a866..2af4c18 100755
--- a/libexec/pmqos-static.py
+++ b/libexec/pmqos-static.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 #
 # pmqos-static.py: Simple daemon for setting static PM QoS values. It is a part
 #                  of 'tuned' and it should not be called manually.
diff --git a/systemtap/varnetload b/systemtap/varnetload
index cfb049c..def1761 100755
--- a/systemtap/varnetload
+++ b/systemtap/varnetload
@@ -1,4 +1,4 @@
-#!/usr/bin/python -Es
+#!/usr/bin/python3 -Es
 #
 # varnetload: A python script to create reproducable sustained network traffic
 
diff --git a/tuned-adm.py b/tuned-adm.py
index 98df243..fcf19e2 100755
--- a/tuned-adm.py
+++ b/tuned-adm.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python -Es
+#!/usr/bin/python3 -Es
 #
 # tuned: daemon for monitoring and adaptive tuning of system devices
 #
diff --git a/tuned-gui.py b/tuned-gui.py
index d4dd05d..6287fc8 100755
--- a/tuned-gui.py
+++ b/tuned-gui.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2014 Red Hat, Inc.
diff --git a/tuned.py b/tuned.py
index e1f5ea3..a5b6ccf 100755
--- a/tuned.py
+++ b/tuned.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python -Es
+#!/usr/bin/python3 -Es
 #
 # tuned: daemon for monitoring and adaptive tuning of system devices
 #