diff --git a/plugins/calendar/drivers/kolab/SQL/mysql.initial.sql b/plugins/calendar/drivers/kolab/SQL/mysql.initial.sql
index 88df960f..de339260 100644
--- a/plugins/calendar/drivers/kolab/SQL/mysql.initial.sql
+++ b/plugins/calendar/drivers/kolab/SQL/mysql.initial.sql
@@ -29,4 +29,4 @@ CREATE TABLE IF NOT EXISTS `itipinvitations` (
     REFERENCES `users`(`user_id`) ON DELETE CASCADE ON UPDATE CASCADE
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
-REPLACE INTO system (name, value) VALUES ('calendar-kolab-version', '2013011000');
+REPLACE INTO system (name, value) VALUES ('calendar-kolab-version', '2014041700');
diff --git a/plugins/calendar/drivers/kolab/SQL/postgres.initial.sql b/plugins/calendar/drivers/kolab/SQL/postgres.initial.sql
index e3ef9aa6..07a492bf 100644
--- a/plugins/calendar/drivers/kolab/SQL/postgres.initial.sql
+++ b/plugins/calendar/drivers/kolab/SQL/postgres.initial.sql
@@ -11,7 +11,7 @@ CREATE TABLE IF NOT EXISTS kolab_alarms (
         REFERENCES users (user_id) ON DELETE CASCADE ON UPDATE CASCADE,
   notifyat timestamp without time zone DEFAULT NULL,
   dismissed smallint NOT NULL DEFAULT 0,
-  PRIMARY KEY(event_id)
+  PRIMARY KEY(alarm_id)
 );
 
 CREATE TABLE IF NOT EXISTS itipinvitations (
@@ -27,4 +27,4 @@ CREATE TABLE IF NOT EXISTS itipinvitations (
 
 CREATE INDEX itipinvitations_event_uid_user_id_idx ON itipinvitations (event_uid, user_id);
 
-INSERT INTO system (name, value) VALUES ('calendar-kolab-version', '2013011000');
+INSERT INTO system (name, value) VALUES ('calendar-kolab-version', '2014041700');