diff --git a/wiki/src/contribute/calendar.mdwn b/wiki/src/contribute/calendar.mdwn
index c446628e8af379b8c0728126cde40d1e6f88c44d..1ce851dccbccb947a7c85bc5ac3e63ed6c720c7a 100644
--- a/wiki/src/contribute/calendar.mdwn
+++ b/wiki/src/contribute/calendar.mdwn
@@ -6,6 +6,8 @@ All times are referenced to Berlin and Paris time.
 
 * 2019-11-06, 16:00: [[Foundations Team|contribute/working_together/roles/foundations_team]] meeting
 
+* 2019-11-13, 14:00: Sysadmin team meeting
+
 * 2019-11-14, 11:00: Fundraising meeting
 
 * 2019-11-18 to 2019-11-20: GitLab sprint ([[!tails_ticket 15878]])