diff --git a/ops/nixos/lib/blade-router.nix b/ops/nixos/lib/blade-router.nix
index 43c4b515f6..db844f24a9 100644
--- a/ops/nixos/lib/blade-router.nix
+++ b/ops/nixos/lib/blade-router.nix
@@ -66,7 +66,7 @@ with lib;
       }];
       interfaces.en-internet.ipv4.addresses = [{
         address = config.my.blade-router.addresses.linknet.v4.local;
-        prefixLength = config.my.blade-router.addresses.linknet.v4.prefixLength;;
+        prefixLength = config.my.blade-router.addresses.linknet.v4.prefixLength;
       }];
       interfaces.en-internet.ipv6.addresses = [{
         address = config.my.blade-router.addresses.linknet.v6.local;