diff --git a/ops/nixos/blade-tuvok/default.nix b/ops/nixos/blade-tuvok/default.nix
index 9bd71953b0..2033c84918 100644
--- a/ops/nixos/blade-tuvok/default.nix
+++ b/ops/nixos/blade-tuvok/default.nix
@@ -167,15 +167,25 @@ in {
 
       protocol static export4 {
         ipv4 {};
-        route 92.118.30.0/24
-          via 92.118.30.0 weight 1 bfd  # Virgin Media
-          via 92.118.30.2 weight 2 bfd; # EE
+        route 92.118.30.0/24 via 92.118.30.0 bfd {
+          # Virgin Media
+          preference = 100;
+        };
+        route 92.118.30.0/24 via 92.118.30.2 bfd {
+          # EE
+          preference = 10;
+        };
       };
       protocol static export6 {
         ipv6 {};
-        route 2a09:a443::/32
-          via 2a09:a442::1:1 weight 1 bfd  # Virgin Media
-          via 2a09:a442::2:1 weight 2 bfd; # EE
+        route 2a09:a443::/32 via 2a09:a442::1:1 bfd {
+          # Virgin Media
+          preference = 100;
+        };
+        route 2a09:a443::/32 via 2a09:a442::2:1 bfd {
+          # EE
+          preference = 10;
+        };
       };
 
       protocol bfd {