diff --git a/modules/sys/rc/openssh.nix b/modules/sys/rc/openssh.nix
index c57deec..8fff6fd 100644
--- a/modules/sys/rc/openssh.nix
+++ b/modules/sys/rc/openssh.nix
@@ -13,7 +13,7 @@
   services.openssh = {
     enable = true;
     settings = {
-      GatewayPorts = true;
+      GatewayPorts = "yes";
     };
   };
 }