diff --git a/yubico-c-client/riscv64.patch b/yubico-c-client/riscv64.patch
new file mode 100644
index 000000000..3e4e2a38f
--- /dev/null
+++ b/yubico-c-client/riscv64.patch
@@ -0,0 +1,10 @@
+--- PKGBUILD
++++ PKGBUILD
+@@ -23,6 +23,7 @@ prepare() {
+ 	cd "${_shortname}-${pkgver}"
+ 
+ 	patch -Np1 < ../0001-https-ify-urls-and-drop-v1-selftest.patch
++        autoreconf -fi
+ }
+ 
+ build() {