diff --git a/pkgs/applications/file-managers/joshuto/default.nix b/pkgs/applications/file-managers/joshuto/default.nix
index 886e67f25175..937991ede40b 100644
--- a/pkgs/applications/file-managers/joshuto/default.nix
+++ b/pkgs/applications/file-managers/joshuto/default.nix
@@ -23,5 +23,6 @@ rustPlatform.buildRustPackage rec {
     changelog = "https://github.com/kamiyaa/joshuto/releases/tag/${src.rev}";
     license = licenses.lgpl3Only;
     maintainers = with maintainers; [ figsoda totoroot xrelkd ];
+    mainProgram = "joshuto";
   };
 }