diff --git a/pkgs/tools/archivers/xtrt/default.nix b/pkgs/tools/archivers/xtrt/default.nix
index 175494057e0..1d01935f968 100644
--- a/pkgs/tools/archivers/xtrt/default.nix
+++ b/pkgs/tools/archivers/xtrt/default.nix
@@ -32,5 +32,6 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/figsoda/xtrt";
     license = licenses.unlicense;
     maintainers = with maintainers; [ figsoda ];
+    mainProgram = "xtrt";
   };
 }