diff --git a/src/packages.lisp b/src/packages.lisp
index 408b7b1..d671447 100644
--- a/src/packages.lisp
+++ b/src/packages.lisp
@@ -3,6 +3,7 @@
 (uiop:define-package ciel
   (:use :cl)
   (:export #:enable-shell-passthrough
+           #:disable-shell-passthrough
            #:-->))
 
 (uiop:define-package ciel-user