diff --git a/en_US.ISO8859-1/share/sgml/authors.ent b/en_US.ISO8859-1/share/sgml/authors.ent
index 6a96d07d67..82ae9877cc 100644
--- a/en_US.ISO8859-1/share/sgml/authors.ent
+++ b/en_US.ISO8859-1/share/sgml/authors.ent
@@ -546,6 +546,8 @@
 
 <!ENTITY a.matk "Mathew Kanner <email>matk@FreeBSD.org</email>">
 
+<!ENTITY a.matteo "Matteo Riondato <email>matteo@FreeBSD.org</email>">
+
 <!ENTITY a.matusita "Makoto Matsushita <email>matusita@FreeBSD.org</email>">
 
 <!ENTITY a.max "Masafumi NAKANE <email>max@FreeBSD.org</email>">