normalize shebang lines to #!/usr/bin/env python
diff --git a/Mac/Tools/fixapplepython23.py b/Mac/Tools/fixapplepython23.py
index 6ba5401..03c799b 100644
--- a/Mac/Tools/fixapplepython23.py
+++ b/Mac/Tools/fixapplepython23.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 """fixapplepython23 - Fix Apple-installed Python 2.3 (on Mac OS X 10.3)
 
 Python 2.3 (and 2.3.X for X<5) have the problem that building an extension