diff --git a/testing/picolisp/APKBUILD b/testing/picolisp/APKBUILD
index 606ee53f77a..fdb253cf3c1 100644
--- a/testing/picolisp/APKBUILD
+++ b/testing/picolisp/APKBUILD
@@ -6,7 +6,9 @@ pkgver=22.3
 pkgrel=0
 pkgdesc="Fast, lightweight Lisp interpreter and application server framework"
 url="https://picolisp.com/"
-arch="all !x86 !armv7 !armhf" # 64 bits only
+# x86, armv7, armhf: 64-bits only
+# riscv64: ftbfs
+arch="all !x86 !armv7 !armhf !riscv64"
 license="MIT"
 depends_doc="w3m"
 makedepends="