diff --git a/PVE/CephTools.pm b/PVE/CephTools.pm
index 659bcae1..187c5b08 100644
--- a/PVE/CephTools.pm
+++ b/PVE/CephTools.pm
@@ -166,6 +166,8 @@ sub write_ceph_config {
 
     &$cond_write_sec('global');
     &$cond_write_sec('client');
+    &$cond_write_sec('mds');
+    &$cond_write_sec('mds\..*');
     &$cond_write_sec('mon');
     &$cond_write_sec('osd');
     &$cond_write_sec('mon\..*');