diff --git a/roswell/cl-lsp.ros b/roswell/cl-lsp.ros
index 063a3db..d059991 100755
--- a/roswell/cl-lsp.ros
+++ b/roswell/cl-lsp.ros
@@ -15,6 +15,7 @@ exec ros -Q -- $0 "$@"
 (defun main (&rest argv)
   (let ((mode (or (first argv) "tcp")))
     (cond ((equal mode "tcp")
+           (ql:quickload "jsonrpc/transport/tcp" :silent t)
            (let ((port (second argv)))
              (if port
                  (bt:make-thread (lambda () (cl-lsp/main:run-tcp-mode :port (parse-integer port))))