diff --git a/setup.py b/setup.py
index c551abe30..64694d357 100755
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 import os
 import sys
 from setuptools import setup
diff --git a/tests/check_prefixes.py b/tests/check_prefixes.py
index e6a5acbb0..268be9f6e 100755
--- a/tests/check_prefixes.py
+++ b/tests/check_prefixes.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 import os
 import sys
 import subprocess