1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/checkdmarc/default.nix b/nixpkgs/pkgs/development/python-modules/checkdmarc/default.nix
index 6c261cff35fd..c39b70407931 100644
--- a/nixpkgs/pkgs/development/python-modules/checkdmarc/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/checkdmarc/default.nix
@@ -66,6 +66,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "A parser for SPF and DMARC DNS records";
+    mainProgram = "checkdmarc";
     homepage = "https://github.com/domainaware/checkdmarc";
     changelog = "https://github.com/domainaware/checkdmarc/blob/${version}/CHANGELOG.md";
     license = licenses.asl20;