diff --git a/bootfiles/18e/boot8.lisp b/bootfiles/18e/boot8.lisp
index 92980c5a5976406327f5ed72a2dfdad9a8f8a70e..f1e3f1710442bc1fb67436005ff5846b0a637c3a 100644
--- a/bootfiles/18e/boot8.lisp
+++ b/bootfiles/18e/boot8.lisp
@@ -5,6 +5,7 @@
 
 (in-package :lisp)
 
+(export '(ext::package-lock ext::package-definition-lock) :ext)
 (defvar *enable-package-locked-errors* nil)
 
 ;;;