diff --git a/mhash/riscv64.patch b/mhash/riscv64.patch
new file mode 100644
index 000000000..36602eaca
--- /dev/null
+++ b/mhash/riscv64.patch
@@ -0,0 +1,14 @@
+--- PKGBUILD
++++ PKGBUILD
+@@ -13,6 +13,11 @@ depends=('glibc')
+ source=(https://downloads.sourceforge.net/sourceforge/mhash/${pkgname}-${pkgver}.tar.bz2)
+ sha512sums=('3b063d258cb0e7c2fa21ed30abae97bd6f3630ecd1cb4698afb826aa747555f3cf884828f24ac5e2b203730d0c7c0ecc9ef1e724ad9d85769a2f66128f3072eb')
+ 
++prepare() {
++  cd ${pkgname}-${pkgver}
++  autoreconf -fi
++}
++
+ build() {
+   cd ${pkgname}-${pkgver}
+   ./configure --prefix=/usr