diff --git a/testing/php7-pecl-couchbase/APKBUILD b/testing/php7-pecl-couchbase/APKBUILD
index f96068cbb972eb745ba1d5311f1e8b9b24fb9435..5cadbafbc01012992a8210bebb28ac2565d28e2a 100644
--- a/testing/php7-pecl-couchbase/APKBUILD
+++ b/testing/php7-pecl-couchbase/APKBUILD
@@ -6,7 +6,7 @@ pkgver=4.0.0
 pkgrel=0
 pkgdesc="PHP 7 extension for Couchbase - PECL"
 url="https://pecl.php.net/package/couchbase"
-arch="all"
+arch="all !riscv64" # ftbfs
 license="Apache-2.0"
 depends="php7-json php7-pecl-igbinary"
 makedepends="php7-dev openssl-dev linux-headers chrpath cmake"