diff --git a/pkgs/tools/text/markdownlint-cli2/default.nix b/pkgs/tools/text/markdownlint-cli2/default.nix
index 90a4b871cbc1..d98d3a9f29c6 100644
--- a/pkgs/tools/text/markdownlint-cli2/default.nix
+++ b/pkgs/tools/text/markdownlint-cli2/default.nix
@@ -52,5 +52,6 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     homepage = "https://github.com/DavidAnson/markdownlint-cli2";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ natsukium ];
+    mainProgram = "markdownlint-cli2";
   };
 })