diff --git a/src/clos/streams.lsp b/src/clos/streams.lsp
index 6b359258c..d6744537d 100644
--- a/src/clos/streams.lsp
+++ b/src/clos/streams.lsp
@@ -778,5 +778,5 @@ them so."
     (si::package-lock "COMMON-LISP" x)
     nil))
 
-(setf *clos-booted* t)
+(setf clos::*clos-booted* t)