diff --git a/share/sgml/man-refs.ent b/share/sgml/man-refs.ent
index 9ceed36a8b..19ff3d4c59 100644
--- a/share/sgml/man-refs.ent
+++ b/share/sgml/man-refs.ent
@@ -3361,6 +3361,7 @@
 <!ENTITY man.ng.h4.4 "<citerefentry/<refentrytitle/ng_h4/<manvolnum/4//">
 <!ENTITY man.ng.hci.4 "<citerefentry/<refentrytitle/ng_hci/<manvolnum/4//">
 <!ENTITY man.ng.hole.4 "<citerefentry/<refentrytitle/ng_hole/<manvolnum/4//">
+<!ENTITY man.ng.hub.4 "<citerefentry/<refentrytitle/ng_hub/<manvolnum/4//">
 <!ENTITY man.ng.iface.4 "<citerefentry/<refentrytitle/ng_iface/<manvolnum/4//">
 <!ENTITY man.ng.ip.input.4 "<citerefentry/<refentrytitle/ng_ip_input/<manvolnum/4//">
 <!ENTITY man.ng.ksocket.4 "<citerefentry/<refentrytitle/ng_ksocket/<manvolnum/4//">