diff --git a/lisp/international/mule-conf.el b/lisp/international/mule-conf.el
index 06cb395a5f9..15f7c0f9ffd 100644
--- a/lisp/international/mule-conf.el
+++ b/lisp/international/mule-conf.el
@@ -1186,7 +1186,8 @@
 (unify-charset 'chinese-cns11643-5)
 (unify-charset 'chinese-cns11643-6)
 (unify-charset 'chinese-cns11643-7)
-(unify-charset 'chinese-cns11643-15)
+;; Doing the below causes Emacs to segfault during Punct.el production.
+;; (unify-charset 'chinese-cns11643-15)
 (unify-charset 'big5)
 (unify-charset 'chinese-big5-1)
 (unify-charset 'chinese-big5-2)