diff --git a/product/ZSQLCatalog/ZSQLCatalog.py b/product/ZSQLCatalog/ZSQLCatalog.py
index 463a3bba0389656b3a08c9f80a4dfb59bba1b57b..081fef8b5722b651ac19bcd5f6313da00d681670 100755
--- a/product/ZSQLCatalog/ZSQLCatalog.py
+++ b/product/ZSQLCatalog/ZSQLCatalog.py
@@ -613,7 +613,6 @@ class ZCatalog(Folder, Persistent, Implicit):
             "A cataloged object must support the 'getPhysicalPath' "
             "method if no unique id is provided when cataloging"
             )
-        url = string.join(url(), '/')
         url = '/'.join(url())
         url_list.append(url)