1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/python-ulid/default.nix b/nixpkgs/pkgs/development/python-modules/python-ulid/default.nix
index e70c1004ecf7..af437c8f23fe 100644
--- a/nixpkgs/pkgs/development/python-modules/python-ulid/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/python-ulid/default.nix
@@ -38,6 +38,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "ULID implementation for Python";
+    mainProgram = "ulid";
     homepage = "https://github.com/mdomke/python-ulid";
     changelog = "https://github.com/mdomke/python-ulid/blob/${src.rev}/CHANGELOG.rst";
     license = licenses.mit;