1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/development/python-modules/z3c-checkversions/default.nix b/pkgs/development/python-modules/z3c-checkversions/default.nix
index 25b0fb7ba9e6..9f6a7ed4258e 100644
--- a/pkgs/development/python-modules/z3c-checkversions/default.nix
+++ b/pkgs/development/python-modules/z3c-checkversions/default.nix
@@ -30,6 +30,7 @@ buildPythonPackage rec {
     homepage = "https://github.com/zopefoundation/z3c.checkversions";
     changelog = "https://github.com/zopefoundation/z3c.checkversions/blob/${version}/CHANGES.rst";
     description = "Find newer package versions on PyPI";
+    mainProgram = "checkversions";
     license = licenses.zpl21;
   };
 }