diff --git a/pkgs/development/web/bun/default.nix b/pkgs/development/web/bun/default.nix
index faf6a4af7986..c2e5696e99d2 100644
--- a/pkgs/development/web/bun/default.nix
+++ b/pkgs/development/web/bun/default.nix
@@ -92,6 +92,7 @@ stdenvNoCC.mkDerivation rec {
       mit # bun core
       lgpl21Only # javascriptcore and webkit
     ];
+    mainProgram = "bun";
     maintainers = with maintainers; [ DAlperin jk thilobillerbeck cdmistman coffeeispower ];
     platforms = builtins.attrNames passthru.sources;
     # Broken for Musl at 2024-01-13, tracking issue: