diff --git a/flake.nix b/flake.nix
index 57ad1b9..84edca3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -33,6 +33,8 @@
         installPhase = ''
           install -Dm755 ${./eintopf-radar-sync.py} $out/bin/eintopf-radar-sync
         '';
+
+	meta.mainProgram = "eintopf-radar-sync";
       };
     };