diff --git a/usr.sbin/bsnmpd/modules/snmp_atm/Makefile b/usr.sbin/bsnmpd/modules/snmp_atm/Makefile
index b3725ee81d52..5b114c74ee1d 100644
--- a/usr.sbin/bsnmpd/modules/snmp_atm/Makefile
+++ b/usr.sbin/bsnmpd/modules/snmp_atm/Makefile
@@ -17,6 +17,6 @@ INCS=	snmp_${MOD}.h
 
 EXTRAMIBDEFS= atm_freebsd.def
 
-CFLAGS+= -I${SNMP_ATM}
+CFLAGS+= -I${SNMP_ATM} -I${CONTRIB}/snmpd -I${CONTRIB}/snmp_mibII
 
 .include <bsd.lib.mk>