diff --git a/bundles/ssh/files/ssh_config b/bundles/ssh/files/ssh_config
index b519cd0..30cb19b 100644
--- a/bundles/ssh/files/ssh_config
+++ b/bundles/ssh/files/ssh_config
@@ -4,6 +4,7 @@ Host *
     GSSAPIAuthentication yes
     StrictHostKeyChecking yes
     GlobalKnownHostsFile /etc/ssh/ssh_known_hosts
-    ControlMaster auto
-    ControlPath ~/.ssh/multiplex-%C
-    ControlPersist 5m
+    # fixme: prevents backup server from sleeping
+    # ControlMaster auto
+    # ControlPath ~/.ssh/multiplex-%C
+    # ControlPersist 5m