diff --git a/hosts/dnsc-vps-sm/default.nix b/hosts/dnsc-vps-sm/default.nix
index e93c2f6..db4f4f4 100644
--- a/hosts/dnsc-vps-sm/default.nix
+++ b/hosts/dnsc-vps-sm/default.nix
@@ -118,7 +118,7 @@
       root * /var/www/slides
     '';
     virtualHosts."vault.dnsc.io".extraConfig = ''
-      reverse_proxy :8222
+      reverse_proxy 127.0.0.1:8222
     '';
   };