diff --git a/contrib/bsnmp/FREEBSD-Xlist b/contrib/bsnmp/FREEBSD-Xlist
index 7290978f4de..8a5166240e5 100644
--- a/contrib/bsnmp/FREEBSD-Xlist
+++ b/contrib/bsnmp/FREEBSD-Xlist
@@ -10,6 +10,7 @@
 */gensnmptree/Makefile.in
 */lib/Makefile.in
 */snmp_mibII/Makefile.in
+*/snmp_mibII/tree.h
 */snmp_ntp/Makefile.in
 */snmpd/Makefile.in
 */snmpd/.gdbinit