diff --git a/system/aly-server.nix b/system/aly-server.nix
index 33ada51..b50ed73 100644
--- a/system/aly-server.nix
+++ b/system/aly-server.nix
@@ -71,6 +71,7 @@
 	"browseable" = "yes";
 	"read only" = "no";
 	"guest ok" = "no";
+	"valid users" = "aly";
 	"create mask" = "0664";
         "directory mask" = "0775";
 	"force user" = "1001";