diff --git a/turnserver.conf b/turnserver.conf
index 992cc2f..d7d81db 100644
--- a/turnserver.conf
+++ b/turnserver.conf
@@ -15,4 +15,7 @@ external-ip=85.214.24.67
 user=coturn:FEUvmPGR2a27hW
 realm=turn.server-nb.de
 syslog
-pidfile="/var/run/turnserver.pid"
\ No newline at end of file
+pidfile="/var/run/turnserver.pid"
+cert=/etc/letsencrypt/live/turn.server-nb.de/sert.pem
+pkey=/etc/letsencrypt/live/turn.server-nb.de/privkey.pem
+tls-listening-port=443