diff --git a/test/compfft.py b/test/compfft.py
index 884fe64..70bad2a 100755
--- a/test/compfft.py
+++ b/test/compfft.py
@@ -1,4 +1,4 @@
-#!/usr/local/bin/python2.3
+#!/usr/bin/env python2.3
 
 # use FFTPACK as a baseline
 import FFT
diff --git a/test/fastfir.py b/test/fastfir.py
index 2c5f9ac..bbe029a 100755
--- a/test/fastfir.py
+++ b/test/fastfir.py
@@ -1,4 +1,5 @@
-#!/usr/local/bin/python2.3
+#!/usr/bin/env python2.3
+
 from Numeric import *
 from FFT import *
 
diff --git a/test/fft.py b/test/fft.py
index ca03496..d6d7b2b 100755
--- a/test/fft.py
+++ b/test/fft.py
@@ -1,4 +1,5 @@
-#!/usr/local/bin/python2.3
+#!/usr/bin/env python2.3
+
 import math
 import sys
 import random
diff --git a/test/mk_test.py b/test/mk_test.py
index cfac9f6..7481c06 100755
--- a/test/mk_test.py
+++ b/test/mk_test.py
@@ -1,4 +1,5 @@
-#!/usr/local/bin/python2.3
+#!/usr/bin/env python2.3
+
 import FFT
 import sys
 import random
diff --git a/test/testkiss.py b/test/testkiss.py
index cb89d4d..4a40693 100755
--- a/test/testkiss.py
+++ b/test/testkiss.py
@@ -1,4 +1,5 @@
-#!/usr/local/bin/python2.3
+#!/usr/bin/env python2.3
+
 import math
 import sys
 import os