diff --git a/nnss-ssh@.service b/nnss-ssh@.service
index ff5ab69..5e7dbd9 100644
--- a/nnss-ssh@.service
+++ b/nnss-ssh@.service
@@ -18,6 +18,7 @@ RestartSteps=6
 RestartMaxDelaySec=24h
 
 RuntimeDirectory=nnss-%i
+RuntimeDirectoryMode=0750
 StateDirectory=nnss-%i
 ExecStart=ssh -F /usr/lib/nnss/ssh_config default