diff --git a/Tools/autotest/run_mission.py b/Tools/autotest/run_mission.py
index 53721d76ee..05f8e5e6f3 100755
--- a/Tools/autotest/run_mission.py
+++ b/Tools/autotest/run_mission.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 '''
 Run a mission in SITL
diff --git a/Tools/autotest/test_param_upgrade.py b/Tools/autotest/test_param_upgrade.py
index de38983443..c1d11723a2 100755
--- a/Tools/autotest/test_param_upgrade.py
+++ b/Tools/autotest/test_param_upgrade.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 '''
 Test parameter upgrade, master vs branch
diff --git a/Tools/autotest/unittest/annotate_params_unittest.py b/Tools/autotest/unittest/annotate_params_unittest.py
index e9db5f794a..26dd0ad09a 100755
--- a/Tools/autotest/unittest/annotate_params_unittest.py
+++ b/Tools/autotest/unittest/annotate_params_unittest.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 '''
 These are the unit tests for the python script that fetches online ArduPilot
diff --git a/Tools/autotest/unittest/extract_param_defaults_unittest.py b/Tools/autotest/unittest/extract_param_defaults_unittest.py
index fe53965547..b3e6e3c1d0 100755
--- a/Tools/autotest/unittest/extract_param_defaults_unittest.py
+++ b/Tools/autotest/unittest/extract_param_defaults_unittest.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 '''
 Extracts parameter default values from an ArduPilot .bin log file. Unittests.
diff --git a/Tools/scripts/annotate_params.py b/Tools/scripts/annotate_params.py
index 11c9ca8024..aaf679471a 100755
--- a/Tools/scripts/annotate_params.py
+++ b/Tools/scripts/annotate_params.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 """
 This script fetches online ArduPilot parameter documentation (if not cached) and adds it to the specified file
diff --git a/Tools/scripts/extract_param_defaults.py b/Tools/scripts/extract_param_defaults.py
index cf50e16ab2..4036b3900f 100755
--- a/Tools/scripts/extract_param_defaults.py
+++ b/Tools/scripts/extract_param_defaults.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 '''
 Extracts parameter default values from an ArduPilot .bin log file.
diff --git a/Tools/scripts/generate_pdef.xml_metadata.py b/Tools/scripts/generate_pdef.xml_metadata.py
index c728919ea0..8c52f06ea9 100755
--- a/Tools/scripts/generate_pdef.xml_metadata.py
+++ b/Tools/scripts/generate_pdef.xml_metadata.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 '''
 Rsync apm.pdef.xml files for different versions of the ArduPilot firmware