diff --git a/lisp/build.ros b/lisp/build.ros
index f4d0f1e..26481b1 100644
--- a/lisp/build.ros
+++ b/lisp/build.ros
@@ -44,7 +44,7 @@ exec ros +Q -m roswell -L sbcl-bin -- $0 "$@"
          when (ignore-errors (string= line "exec" :end1 4))
          do (setf opts (parse-argv line))))
     (roswell:roswell `(,opts "-L" ,(or (ros:opt "*lisp")
-                                       (ros:opt "lisp"))
+                                       (ros:opt "default.lisp"))
                              "dump" "executable" ,@argv)
                      :interactive nil)))
 ;;; vim: set ft=lisp lisp: