diff --git a/testing/libu2f-server/APKBUILD b/testing/libu2f-server/APKBUILD
index d91fd4d7661..fc6a3280614 100644
--- a/testing/libu2f-server/APKBUILD
+++ b/testing/libu2f-server/APKBUILD
@@ -5,7 +5,7 @@ pkgver=1.1.0
 pkgrel=2
 pkgdesc="Yubico Universal 2nd Factor (U2F) Server C Library"
 url="https://developers.yubico.com/libu2f-server/"
-arch="all"
+arch="all !s390x"
 license="BSD-2-Clause"
 makedepends="check-dev gengetopt-dev help2man json-c-dev libressl-dev"
 subpackages="$pkgname-dev $pkgname-doc"