diff --git a/calendar/setup/tables_update.inc.php b/calendar/setup/tables_update.inc.php
index ed3b17c47e..579ef3fcaa 100644
--- a/calendar/setup/tables_update.inc.php
+++ b/calendar/setup/tables_update.inc.php
@@ -2310,8 +2310,8 @@ function calendar_upgrade14_1()
 {
 	$GLOBALS['egw_setup']->db->query(
 "UPDATE egw_cal
-SET cal_reference=0,cal_etag=cal_etag+1,cal_modifier=0,cal_modified=".time().
-"WHERE cal_reference != 0 AND cal_id IN (SELECT cal_id FROM egw_cal_repeats)", __LINE__, __FILE__);
+SET cal_reference=0,cal_etag=cal_etag+1,cal_modifier=0,cal_modified=".time()."
+WHERE cal_reference != 0 AND cal_id IN (SELECT cal_id FROM egw_cal_repeats)", __LINE__, __FILE__);
 
 	foreach($GLOBALS['egw_setup']->db->query(
 "SELECT DISTINCT master.cal_id,egw_cal_user.cal_user_type,egw_cal_user.cal_user_id,'E' AS cal_status