diff --git a/root/etc/e-smith/templates/etc/sogo/sogo.conf/30defaultPrefs b/root/etc/e-smith/templates/etc/sogo/sogo.conf/30defaultPrefs
index 6b467f5..44f5d69 100644
--- a/root/etc/e-smith/templates/etc/sogo/sogo.conf/30defaultPrefs
+++ b/root/etc/e-smith/templates/etc/sogo/sogo.conf/30defaultPrefs
@@ -1,3 +1,4 @@
         SOGoMailMessageCheck = "every_10_minutes";
         SOGoFirstDayOfWeek = "1";
         SOGoFirstWeekOfYear = "First4DayWeek";
+        SOGoCalendarDefaultReminder = "-PT15M";