diff --git a/makefu/2configs/binary-cache/server.nix b/makefu/2configs/binary-cache/server.nix
index 1d729b9bb..2e05fd52e 100644
--- a/makefu/2configs/binary-cache/server.nix
+++ b/makefu/2configs/binary-cache/server.nix
@@ -5,6 +5,7 @@
   # nix-store --generate-binary-cache-key gum nix-serve.key nix-serve.pub
   services.nix-serve = {
     enable = true;
+    port = 5001;
     secretKeyFile = config.krebs.secret.files.nix-serve-key.path;
   };