diff --git a/product/ERP5Type/tests/runUnitTest.py b/product/ERP5Type/tests/runUnitTest.py
index 9905addc561d19f353a94a83ba32e6f84fa86fad..2d0cf5f476e37db9b9abecfd382374a81d0f2bd1 100755
--- a/product/ERP5Type/tests/runUnitTest.py
+++ b/product/ERP5Type/tests/runUnitTest.py
@@ -28,6 +28,8 @@ def runUnitTestList(test_list) :
   execfile(os.path.join(tests_framework_home, 'framework.py')) 
 
   import unittest
+  from Testing import ZopeTestCase
+
   TestRunner = unittest.TextTestRunner
   suite = unittest.TestSuite()