diff --git a/product/ERP5Catalog/tests/testERP5Catalog.py b/product/ERP5Catalog/tests/testERP5Catalog.py
index 95a773c657589b300e180e86ee4daa701ef09718..efe21ae0a7ae85c0c130306462f92493e3a46b9c 100644
--- a/product/ERP5Catalog/tests/testERP5Catalog.py
+++ b/product/ERP5Catalog/tests/testERP5Catalog.py
@@ -1338,7 +1338,7 @@ class TestERP5Catalog(ERP5TypeTestCase, LogInterceptor):
       self._makeOrganisation(title='abc%s' % (i), description='abc')
     self.assertEqual(max_,
                      len(self.getCatalogTool()(portal_type='Organisation')))
-    self.assertEqual(max + 2,
+    self.assertEqual(max_ + 2,
             len(self.getCatalogTool()(portal_type='Organisation', limit=None)))
     ctool.default_result_limit = old_default_result_limit