diff --git a/arch/ia64/scripts/unwcheck.py b/arch/ia64/scripts/unwcheck.py
index c278498..2bfd941 100644
--- a/arch/ia64/scripts/unwcheck.py
+++ b/arch/ia64/scripts/unwcheck.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # Usage: unwcheck.py FILE
 #
diff --git a/scripts/rt-tester/rt-tester.py b/scripts/rt-tester/rt-tester.py
index 4c79660..44423b4 100644
--- a/scripts/rt-tester/rt-tester.py
+++ b/scripts/rt-tester/rt-tester.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # rt-mutex tester
 #
diff --git a/scripts/show_delta b/scripts/show_delta
index 48a706a..17df305 100755
--- a/scripts/show_delta
+++ b/scripts/show_delta
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # show_deltas: Read list of printk messages instrumented with
 # time data, and format with time deltas.