diff --git a/dba/patches/1.1.11.sql b/dba/patches/1.1.11.sql
index 60a55e55..1a6ad905 100644
--- a/dba/patches/1.1.11.sql
+++ b/dba/patches/1.1.11.sql
@@ -4,8 +4,8 @@
 BEGIN;
 SELECT check_db_revision(1,1,10);
 
-ALTER TABLE calendar_item DROP CONSTRAINT "$1";
-ALTER TABLE calendar_item ADD CONSTRAINT "$1" FOREIGN KEY (user_no) REFERENCES usr(user_no) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE;
+ALTER TABLE caldav_data DROP CONSTRAINT "$1";
+ALTER TABLE caldav_data ADD CONSTRAINT "$1" FOREIGN KEY (user_no) REFERENCES usr(user_no) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE;
  
 ALTER TABLE collection DROP CONSTRAINT "$1";
 ALTER TABLE collection ADD CONSTRAINT "$1" FOREIGN KEY (user_no) REFERENCES usr(user_no) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE;