diff --git a/package.lisp b/package.lisp
index 2b52a40..4d08469 100644
--- a/package.lisp
+++ b/package.lisp
@@ -16,7 +16,7 @@
;; OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
;;
-(in-package :common-lisp)
+(in-package :common-lisp-user)
(defpackage :fd-stream
(:use