diff --git a/nixos/modules/services/networking/murmur.nix b/nixos/modules/services/networking/murmur.nix
index 98387d5acdf8..4410c413412b 100644
--- a/nixos/modules/services/networking/murmur.nix
+++ b/nixos/modules/services/networking/murmur.nix
@@ -350,7 +350,10 @@ in
         ProtectKernelModules = true;
         ProtectKernelTunables = true;
         ProtectSystem = "full";
-        RestrictAddressFamilies = "~AF_PACKET AF_NETLINK";
+        RestrictAddressFamilies = [
+          "AF_INET"
+          "AF_INET6"
+        ];
         RestrictNamespaces = true;
         RestrictSUIDSGID = true;
         RestrictRealtime = true;