1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/correctionlib/default.nix b/nixpkgs/pkgs/development/python-modules/correctionlib/default.nix
index e378b71b43b8..23a8bee16d21 100644
--- a/nixpkgs/pkgs/development/python-modules/correctionlib/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/correctionlib/default.nix
@@ -60,6 +60,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Provides a well-structured JSON data format for a wide variety of ad-hoc correction factors encountered in a typical HEP analysis";
+    mainProgram = "correction";
     homepage = "https://cms-nanoaod.github.io/correctionlib/";
     license = with licenses; [ bsd3 ];
     maintainers = with maintainers; [ veprbl ];