diff --git a/share/sgml/man-refs.ent b/share/sgml/man-refs.ent
index 1f2f9308a8..e87e31328a 100644
--- a/share/sgml/man-refs.ent
+++ b/share/sgml/man-refs.ent
@@ -3214,6 +3214,7 @@
 <!ENTITY man.iicbb.4 "<citerefentry/<refentrytitle/iicbb/<manvolnum/4//">
 <!ENTITY man.iicbus.4 "<citerefentry/<refentrytitle/iicbus/<manvolnum/4//">
 <!ENTITY man.iicsmb.4 "<citerefentry/<refentrytitle/iicsmb/<manvolnum/4//">
+<!ENTITY man.iir.4 "<citerefentry/<refentrytitle/iir/<manvolnum/4//">
 <!ENTITY man.imm.4 "<citerefentry/<refentrytitle/imm/<manvolnum/4//">
 <!ENTITY man.inet.4 "<citerefentry/<refentrytitle/inet/<manvolnum/4//">
 <!ENTITY man.inet6.4 "<citerefentry/<refentrytitle/inet6/<manvolnum/4//">