1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/acme-tiny/default.nix b/nixpkgs/pkgs/development/python-modules/acme-tiny/default.nix
index 9de8f1e06752..f0e1d699a8ef 100644
--- a/nixpkgs/pkgs/development/python-modules/acme-tiny/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/acme-tiny/default.nix
@@ -33,6 +33,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "A tiny script to issue and renew TLS certs from Let's Encrypt";
+    mainProgram = "acme-tiny";
     homepage = "https://github.com/diafygi/acme-tiny";
     license = licenses.mit;
   };