diff --git a/ccm-cms/sql/ccm-cms/oracle-se/upgrade/6.6.7-6.6.8/set_singleton.sql b/ccm-cms/sql/ccm-cms/oracle-se/upgrade/6.6.7-6.6.8/set_singleton.sql
index d97b69034..fce6ace93 100644
--- a/ccm-cms/sql/ccm-cms/oracle-se/upgrade/6.6.7-6.6.8/set_singleton.sql
+++ b/ccm-cms/sql/ccm-cms/oracle-se/upgrade/6.6.7-6.6.8/set_singleton.sql
@@ -17,5 +17,5 @@
 --
 -- $Id$
 
-UPDATE application_types SET singleton_p = true WHERE object_type = 'com.arsdigita.cms.ContentCenter';
-UPDATE application_types SET singleton_p = true WHERE object_type = 'com.arsdigita.cms.Service';
\ No newline at end of file
+UPDATE application_types SET singleton_p = '1' WHERE object_type = 'com.arsdigita.cms.ContentCenter';
+UPDATE application_types SET singleton_p = '1 WHERE object_type = 'com.arsdigita.cms.Service';
\ No newline at end of file