1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/black-macchiato/default.nix b/nixpkgs/pkgs/development/python-modules/black-macchiato/default.nix
index ace0dbe66c42..b29405d00791 100644
--- a/nixpkgs/pkgs/development/python-modules/black-macchiato/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/black-macchiato/default.nix
@@ -28,6 +28,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "This is a small utility built on top of the black Python code formatter to enable formatting of partial files";
+    mainProgram = "black-macchiato";
     homepage    = "https://github.com/wbolster/black-macchiato";
     license     = licenses.bsd3;
     maintainers = with maintainers; [ jperras ];