diff --git a/default.nix b/default.nix
index 15ebab4..952cb47 100644
--- a/default.nix
+++ b/default.nix
@@ -2,4 +2,6 @@
   nix-gitignore,
   haskell,
   haskellPackages,
-}: haskellPackages.callCabal2nix "blog-proxy" (nix-gitignore.gitignoreSource [] ./.) {}
+}: haskellPackages.callCabal2nix "blog-proxy" (nix-gitignore.gitignoreSource [] ./.) {
+  meta.mainProgram = "blog-proxy";
+}