diff --git a/tools/gen-device-avr.py b/tools/gen-device-avr.py
index 00cf7ba1..f94644a9 100755
--- a/tools/gen-device-avr.py
+++ b/tools/gen-device-avr.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import sys
 import os
diff --git a/tools/gen-device-svd.py b/tools/gen-device-svd.py
index dcfd3a2d..2202f97f 100755
--- a/tools/gen-device-svd.py
+++ b/tools/gen-device-svd.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import sys
 import os