diff --git a/Tools/autotest/run_mission.py b/Tools/autotest/run_mission.py
index 53721d76ee2c1..05f8e5e6f3151 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 de389834432f8..c1d11723a2fae 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 e9db5f794a8fb..26dd0ad09a563 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 fe539655470f2..b3e6e3c1d0054 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 11c9ca8024009..aaf679471aa7a 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 cf50e16ab21e5..4036b3900f732 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 c728919ea071d..8c52f06ea9dbc 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