diff --git a/ccm-navigation/sql/ccm-navigation/upgrade/default/6.6.2-6.6.3/upd_system_tables.sql b/ccm-navigation/sql/ccm-navigation/upgrade/default/6.6.2-6.6.3/upd_system_tables.sql
index eb95ba862..630c2e5a3 100644
--- a/ccm-navigation/sql/ccm-navigation/upgrade/default/6.6.2-6.6.3/upd_system_tables.sql
+++ b/ccm-navigation/sql/ccm-navigation/upgrade/default/6.6.2-6.6.3/upd_system_tables.sql
@@ -44,13 +44,11 @@ ALTER TABLE init_requirements
 
 
 update application_types
-   set object_type=replace(object_type,'london.navigation','navigation'),
-       singleton_p=false
+   set object_type=replace(object_type,'london.navigation','navigation')
  where object_type like '%london.navigation%' ;
 
 update acs_objects
-    set (object_type,default_domain_class) =
-            (replace(object_type,'london.navigation', 'navigation') ,
-             replace(default_domain_class,'london.navigation', 'navigation') )
-    where object_type like '%london.navigation%' ;
+    set object_type = replace(object_type,'london.navigation', 'navigation'),
+        default_domain_class = replace(default_domain_class,'london.navigation', 'navigation')
+  where object_type like '%london.navigation%' ;
 
diff --git a/ccm-navigation/sql/ccm-navigation/upgrade/oracle-se-6.6.2-6.6.3.sql b/ccm-navigation/sql/ccm-navigation/upgrade/oracle-se-6.6.2-6.6.3.sql
index 21c714615..18d4d3ca9 100644
--- a/ccm-navigation/sql/ccm-navigation/upgrade/oracle-se-6.6.2-6.6.3.sql
+++ b/ccm-navigation/sql/ccm-navigation/upgrade/oracle-se-6.6.2-6.6.3.sql
@@ -22,5 +22,6 @@
 
 
 @@ default/6.6.2-6.6.3/upd_system_tables.sql
+@@ oracle-se/6.6.2-6.6.3/set-singleton.sql
 -- no need to update navigation specific application tables
 -- @@ ../postgres/upgrade/6.6.2-6.6.3/upd_navigation_tables.sql
diff --git a/ccm-navigation/sql/ccm-navigation/upgrade/oracle-se/6.6.2-6.6.3/set-singleton.sql b/ccm-navigation/sql/ccm-navigation/upgrade/oracle-se/6.6.2-6.6.3/set-singleton.sql
new file mode 100644
index 000000000..24b92a0f5
--- /dev/null
+++ b/ccm-navigation/sql/ccm-navigation/upgrade/oracle-se/6.6.2-6.6.3/set-singleton.sql
@@ -0,0 +1,21 @@
+--
+-- Copyright (C) 2014 Jens Pelztter All Rights Reserved.
+--
+-- This library is free software; you can redistribute it and/or
+-- modify it under the terms of the GNU Lesser General Public License
+-- as published by the Free Software Foundation; either version 2.1 of
+-- the License, or (at your option) any later version.
+--
+-- This library is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+-- Lesser General Public License for more details.
+--
+-- You should have received a copy of the GNU Lesser General Public
+-- License along with this library; if not, write to the Free Software
+-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+--
+
+update application_types
+   set singleton_p = '0'
+ where object_type = 'com.arsdigita.navigation.Navigation' ;
diff --git a/ccm-navigation/sql/ccm-navigation/upgrade/postgres-6.6.2-6.6.3.sql b/ccm-navigation/sql/ccm-navigation/upgrade/postgres-6.6.2-6.6.3.sql
index 08894a558..e5e79b9f0 100644
--- a/ccm-navigation/sql/ccm-navigation/upgrade/postgres-6.6.2-6.6.3.sql
+++ b/ccm-navigation/sql/ccm-navigation/upgrade/postgres-6.6.2-6.6.3.sql
@@ -23,6 +23,7 @@
 begin;
 
 \i default/6.6.2-6.6.3/upd_system_tables.sql
+\i postgres/6.6.2-6.6.3/set-singleton.sql
 -- no need to update navigation specific application tables
 -- \i ../postgres/upgrade/6.6.2-6.6.3/upd_navigation_tables.sql
 
diff --git a/ccm-navigation/sql/ccm-navigation/upgrade/postgres/6.6.2-6.6.3/set-singleton.sql b/ccm-navigation/sql/ccm-navigation/upgrade/postgres/6.6.2-6.6.3/set-singleton.sql
new file mode 100644
index 000000000..3fd226841
--- /dev/null
+++ b/ccm-navigation/sql/ccm-navigation/upgrade/postgres/6.6.2-6.6.3/set-singleton.sql
@@ -0,0 +1,21 @@
+--
+-- Copyright (C) 2014 Jens Pelztter All Rights Reserved.
+--
+-- This library is free software; you can redistribute it and/or
+-- modify it under the terms of the GNU Lesser General Public License
+-- as published by the Free Software Foundation; either version 2.1 of
+-- the License, or (at your option) any later version.
+--
+-- This library is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+-- Lesser General Public License for more details.
+--
+-- You should have received a copy of the GNU Lesser General Public
+-- License along with this library; if not, write to the Free Software
+-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+--
+
+update application_types
+   set singleton_p = false
+ where object_type = 'com.arsdigita.navigation.Navigation' ;