diff --git a/product/ERP5Type/tests/runUnitTest.py b/product/ERP5Type/tests/runUnitTest.py
index 2b2cd291b94e585c8746efb17e03dd315b4f46dc..bf4e8c11522bb6cd75cf005ea2159931cdbbdd0d 100755
--- a/product/ERP5Type/tests/runUnitTest.py
+++ b/product/ERP5Type/tests/runUnitTest.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python2.4
 import os
 import sys
 import getopt