diff --git a/judy/riscv64.patch b/judy/riscv64.patch
new file mode 100644
index 000000000..0ba06d003
--- /dev/null
+++ b/judy/riscv64.patch
@@ -0,0 +1,14 @@
+--- PKGBUILD
++++ PKGBUILD
+@@ -15,6 +15,11 @@ url='http://judy.sourceforge.net/'
+ source=("https://downloads.sourceforge.net/judy/Judy-${pkgver}.tar.gz")
+ sha512sums=('1a0d59b092c80d95270a3089cd25ee0ddad1d591101b03784e2e46dfc73bce445a7fb495b449043544a366c09b35b833556053bf3bf65dd00abbd786d26c6980')
+ 
++prepare() {
++  cd "${srcdir}/${pkgname}-${pkgver}"
++  autoreconf -fi
++}
++
+ build() {
+   cd "${srcdir}/${pkgname}-${pkgver}"
+   ./configure --prefix=/usr