diff --git a/draft-nbourbaki-6man-classless-ipv6.xml b/draft-nbourbaki-6man-classless-ipv6.xml
index 7e064c3..a552675 100644
--- a/draft-nbourbaki-6man-classless-ipv6.xml
+++ b/draft-nbourbaki-6man-classless-ipv6.xml
@@ -221,7 +221,7 @@ subnets essentially enforces an operational limit on such data structures, thus
     <?rfc include="reference.RFC.7707"?>
     <?rfc include="reference.RFC.7136"?>
     <?rfc include="reference.RFC.7721"?>
-    <?rfc include="reference.I-D.hinden-6man-rfc2464bis"?>
+    <?rfc include="reference.I-D.hinden-6man-rfc4291bis"?>
     </references>
 
   </back>