diff --git a/nix/package.nix b/nix/package.nix
index 00fbfb0..85ef8fb 100644
--- a/nix/package.nix
+++ b/nix/package.nix
@@ -51,4 +51,6 @@ stdenvNoCC.mkDerivation {
       install -Dm555 "$wrapperPath" "$out"/bin/qotd
       runHook postInstall
   '';
+
+  meta.mainProgram = "qotd";
 }