diff --git a/texi2html/riscv64.patch b/texi2html/riscv64.patch
new file mode 100644
index 000000000..5b70482cf
--- /dev/null
+++ b/texi2html/riscv64.patch
@@ -0,0 +1,15 @@
+--- PKGBUILD
++++ PKGBUILD
+@@ -19,6 +19,12 @@ sha256sums=('e8a98b0ee20c495a6ab894398a065ef580272dbd5a15b1b19e8bd1bc89d9f9fa'
+             'SKIP')
+ validpgpkeys=('9804BBF566E198FCA15D5C215EC2A77F36ECC523') # "Patrice Dumas (Pertusus) <pertusus@free.fr>"
+ 
++prepare() {
++  cd "$srcdir/$pkgname-$pkgver"
++  cp /usr/share/autoconf/build-aux/config.guess config.guess
++  cp /usr/share/autoconf/build-aux/config.sub config.sub
++}
++
+ build() {
+   cd "$srcdir/$pkgname-$pkgver"
+   ./configure --prefix=/usr