diff --git a/src/lisp/install.ros b/src/lisp/install.ros
index a0cbe97..149a11f 100644
--- a/src/lisp/install.ros
+++ b/src/lisp/install.ros
@@ -8,7 +8,11 @@ exec ros -Q +R -L sbcl-bin -- $0 "$@"
 
 (require :asdf)
 #+sbcl(require :sb-posix)
-(ql:quickload :uiop :silent t)
+
+(ros:quicklisp :environment nil)
+
+(unless (find-package :uiop)
+  (ql:quickload :uiop :silent t))
 
 (defpackage :ros.install
   (:use :cl))