diff --git a/en_US.ISO8859-1/share/sgml/mailing-lists.ent b/en_US.ISO8859-1/share/sgml/mailing-lists.ent
index af9cabba8a..d71c23f60a 100644
--- a/en_US.ISO8859-1/share/sgml/mailing-lists.ent
+++ b/en_US.ISO8859-1/share/sgml/mailing-lists.ent
@@ -145,6 +145,9 @@
 <!ENTITY a.newbus "New Bus Architecture mailing list
   <email>new-bus-arch@bostonradio.org</email>">
 
+<!ENTITY a.performance "FreeBSD performance mailing list
+  <email>freebsd-performance@FreeBSD.org</email>">
+
 <!ENTITY a.platforms "FreeBSD non-Intel platforms porting mailing list
   <email>freebsd-platforms@FreeBSD.org</email>">