diff --git a/erp5/util/testnode/testnode.py b/erp5/util/testnode/testnode.py
index 850a92493f43a0a1efcf7c579618af36d37ce8cc..1af7f443d06bbd744109e8e14d9909904b427b6e 100644
--- a/erp5/util/testnode/testnode.py
+++ b/erp5/util/testnode/testnode.py
@@ -169,6 +169,7 @@ develop = false
 [%(buildout_section_id)s]
 repository = %(repository_path)s
 branch = %(branch)s
+revision =
 develop = false
 """ %     {'buildout_section_id': buildout_section_id,
           'repository_path' : repository_path,