X-Git-Url: https://git.distorted.org.uk/~mdw/sod/blobdiff_plain/c6b4ed992d81518f240509e6ab212d8fe705485a..944bf9362ff51217b1617f85126d26e821b8aa91:/src/class-output.lisp

diff --git a/src/class-output.lisp b/src/class-output.lisp
index ef82355..45a4909 100644
--- a/src/class-output.lisp
+++ b/src/class-output.lisp
@@ -542,7 +542,7 @@
 ;;; Implementation output.
 
 (export '*instance-class*)
-(defvar *instance-class* nil
+(defvar-unbound *instance-class*
   "The class currently being output.
 
    This is bound during the `hook-output' traversal of a class layout for