diff --git a/mk/platform/Linux.mk b/mk/platform/Linux.mk
index 17f87a5724e3..4738da1f48a2 100644
--- a/mk/platform/Linux.mk
+++ b/mk/platform/Linux.mk
@@ -1,4 +1,4 @@
-# $NetBSD: Linux.mk,v 1.79 2019/01/09 13:19:03 wiz Exp $
+# $NetBSD: Linux.mk,v 1.80 2019/01/24 18:40:56 tnn Exp $
 #
 # Variable definitions for the Linux operating system.
 
@@ -153,6 +153,12 @@ ABI?=		64
 LIBABISUFFIX?=	64
 .endif
 
+.if ${MACHINE_ARCH} == "aarch64"
+# No toolchain multilib support yet?
+# ABI?=		64
+LIBABISUFFIX?=	64
+.endif
+
 # When building 32-bit packages on x86_64 GNU ld isn't smart enough to
 # figure out the target architecture based on the objects so we need to
 # explicitly set it.