diff --git a/mat2 b/mat2
index 23a09d3f433bd54d42ab7e71b7673eb05ba9a0b0..0b8ea9853eb3b0487946249ec5fd9f592112ee33 100755
--- a/mat2
+++ b/mat2
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import os
 from typing import Tuple
diff --git a/tests/test_corrupted_files.py b/tests/test_corrupted_files.py
index 928ca1fe430e711e5a19ce2d6bf95e5dc4686843..72d124f2b5a75a7b3cc3b4e4551c624e0baadb42 100644
--- a/tests/test_corrupted_files.py
+++ b/tests/test_corrupted_files.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import unittest
 import shutil
diff --git a/tests/test_libmat2.py b/tests/test_libmat2.py
index 95f4ceb9315f0b47a8528064591f259d71fd655b..74dad2e0bbaf2747c936f66a933671c6fa4f9b76 100644
--- a/tests/test_libmat2.py
+++ b/tests/test_libmat2.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import unittest
 import shutil
diff --git a/tests/test_policy.py b/tests/test_policy.py
index 5a8447bc4ec5d3805e408c4015defa0fc0adb50d..890f8c3f41bd2e026d7117f604080136f0545c59 100644
--- a/tests/test_policy.py
+++ b/tests/test_policy.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import unittest
 import shutil