1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/json-merge-patch/default.nix b/nixpkgs/pkgs/development/python-modules/json-merge-patch/default.nix
index 5b8c0a2fa4be..9cafcc30fd4b 100644
--- a/nixpkgs/pkgs/development/python-modules/json-merge-patch/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/json-merge-patch/default.nix
@@ -26,6 +26,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "JSON Merge Patch library";
+    mainProgram = "json-merge-patch";
     homepage = "https://github.com/open-contracting/json-merge-patch";
     license = licenses.bsd3;
     maintainers = [ ];