diff --git a/tools/mergejs.py b/tools/mergejs.py
index 6c34a8f937..94302569e8 100755
--- a/tools/mergejs.py
+++ b/tools/mergejs.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2.3
+#!/usr/bin/env python
 #
 # Merge multiple JavaScript source code files into one.
 #
diff --git a/tools/shrinksafe.py b/tools/shrinksafe.py
index 7251aedef5..4e627315d3 100755
--- a/tools/shrinksafe.py
+++ b/tools/shrinksafe.py
@@ -1,5 +1,4 @@
-#!/usr/bin/python2.3
-
+#!/usr/bin/env python
 #
 # Script to provide a wrapper around the ShrinkSafe "web service"
 # <http://alex.dojotoolkit.org/shrinksafe/>