diff --git a/dba/patches/1.1.10.sql b/dba/patches/1.1.10.sql
new file mode 100644
index 00000000..0dcefe57
--- /dev/null
+++ b/dba/patches/1.1.10.sql
@@ -0,0 +1,13 @@
+
+-- Make sure that class is set to something, by default PUBLIC.
+-- According to RFC2445, 4.8.1.3.
+
+BEGIN;
+SELECT check_db_revision(1,1,9);
+
+UPDATE calendar_item SET class = 'PUBLIC' WHERE class IS NULL;
+
+SELECT new_db_revision(1,1,10, 'October' );
+COMMIT;
+ROLLBACK;
+
diff --git a/dba/patches/1.1.9.sql b/dba/patches/1.1.9.sql
index e3d49113..056cd100 100644
--- a/dba/patches/1.1.9.sql
+++ b/dba/patches/1.1.9.sql
@@ -1,13 +1,13 @@
 
--- Make sure that class is set to something, by default PUBLIC.
--- According to RFC2445, 4.8.1.3.
+-- Adding a primary key to the calendar_item table
 
 BEGIN;
 SELECT check_db_revision(1,1,8);
 
-UPDATE calendar_item SET class = 'PUBLIC' WHERE class IS NULL;
+ALTER TABLE calendar_item ADD PRIMARY KEY (user_no, dav_name );
 
-SELECT new_db_revision(1,1,9, 'October' );
+SELECT new_db_revision(1,1,9, 'September' );
 COMMIT;
 ROLLBACK;
 
+VACUUM FULL ANALYZE;
\ No newline at end of file