diff --git a/default.nix b/default.nix
index 96200a31..56e96568 100644
--- a/default.nix
+++ b/default.nix
@@ -61,6 +61,7 @@ pkgs.symlinkJoin {
       }
       lib.maintainers.andir
     ];
+    mainProgram = crate2nix.name;
     platforms = lib.platforms.all;
   };
   postBuild = ''