diff --git a/nixos/modules/programs/rust-motd.nix b/nixos/modules/programs/rust-motd.nix
index f89b5e038387..d5f1820ba752 100644
--- a/nixos/modules/programs/rust-motd.nix
+++ b/nixos/modules/programs/rust-motd.nix
@@ -69,7 +69,7 @@ in {
         ProtectKernelTunables = true;
         ProtectSystem = "full";
         StateDirectory = "rust-motd";
-        RestrictAddressFamilies = "none";
+        RestrictAddressFamilies = [ "AF_UNIX" ];
         RestrictNamespaces = true;
         RestrictRealtime = true;
         RestrictSUIDSGID = true;