1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/pycodestyle/default.nix b/nixpkgs/pkgs/development/python-modules/pycodestyle/default.nix
index 761e9c0562a4..f17001efdda1 100644
--- a/nixpkgs/pkgs/development/python-modules/pycodestyle/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pycodestyle/default.nix
@@ -35,6 +35,7 @@ buildPythonPackage rec {
   meta = with lib; {
     changelog = "https://github.com/PyCQA/pycodestyle/blob/${version}/CHANGES.txt";
     description = "Python style guide checker";
+    mainProgram = "pycodestyle";
     homepage = "https://pycodestyle.pycqa.org/";
     license = licenses.mit;
     maintainers = with maintainers; [