diff --git a/pkgs/development/python-modules/markdown-it-py/default.nix b/pkgs/development/python-modules/markdown-it-py/default.nix
index ed3df6f804eb..b7f580322fdf 100644
--- a/pkgs/development/python-modules/markdown-it-py/default.nix
+++ b/pkgs/development/python-modules/markdown-it-py/default.nix
@@ -80,5 +80,6 @@ buildPythonPackage rec {
     changelog = "https://github.com/executablebooks/markdown-it-py/blob/${src.rev}/CHANGELOG.md";
     license = licenses.mit;
     maintainers = with maintainers; [ bhipple ];
+    mainProgram = "markdown-it";
   };
 }