diff --git a/nix/modules/default/default.nix b/nix/modules/default/default.nix
index 40c03def..0402609e 100644
--- a/nix/modules/default/default.nix
+++ b/nix/modules/default/default.nix
@@ -97,7 +97,7 @@ in
         ProtectKernelTunables = true;
         Restart = "on-failure";
         RestartSec = 10;
-        RestrictAddressFamilies = [ "AF_INET" "AF_INET6" ];
+        RestrictAddressFamilies = [ "AF_INET" "AF_INET6" "AF_UNIX" ];
         RestrictNamespaces = true;
         RestrictRealtime = true;
         StartLimitBurst = 5;