diff --git a/srcpkgs/nss/template b/srcpkgs/nss/template
index 94edb6a569c..dc6a2fc25f1 100644
--- a/srcpkgs/nss/template
+++ b/srcpkgs/nss/template
@@ -33,6 +33,7 @@ do_build() {
 
 	if [ "$CROSS_BUILD" ]; then
 		case "$XBPS_TARGET_MACHINE" in
+			aarch64*) _ARCH="aarch64"; CFLAGS+=" -DNS_PTR_GT_32";;
 			arm*) _ARCH="arm";;
 			mips*) _ARCH="mips";;
 			*) msg_error "$pkgver: unknown target machine\n";;