diff --git a/usr.sbin/amd/amq/Makefile b/usr.sbin/amd/amq/Makefile
index 7c9a926ff4f..4636c5c8e1d 100644
--- a/usr.sbin/amd/amq/Makefile
+++ b/usr.sbin/amd/amq/Makefile
@@ -12,7 +12,7 @@ CFLAGS+=-DOS_REP=\"bsd44\"
 CFLAGS+=-DOS_HDR=\"os-bsd44.h\"
 .PATH: ${.CURDIR}/../rpcx ${.CURDIR}/../amd
 CLEANFILES+=nfs_prot.h
-RPCCOM = rpcgen
+RPCCOM = rpcgen -C
 NFS_PROT_X= ${DESTDIR}/usr/include/rpcsvc/nfs_prot.x
 
 nfs_prot.h: ${NFS_PROT_X}
diff --git a/usr.sbin/amd/mk-amd-map/Makefile b/usr.sbin/amd/mk-amd-map/Makefile
index 64e4fb59b67..55bcc7301f4 100644
--- a/usr.sbin/amd/mk-amd-map/Makefile
+++ b/usr.sbin/amd/mk-amd-map/Makefile
@@ -9,7 +9,7 @@ CFLAGS+=-I${.CURDIR}/../config
 CFLAGS+=-DOS_HDR=\"os-bsd44.h\"
 MAN8=	mk-amd-map.8
 CLEANFILES+=nfs_prot.h
-RPCCOM = rpcgen
+RPCCOM = rpcgen -C
 NFS_PROT_X= ${DESTDIR}/usr/include/rpcsvc/nfs_prot.x
 
 nfs_prot.h: ${NFS_PROT_X}