diff --git a/mirro-rs/riscv64.patch b/mirro-rs/riscv64.patch
new file mode 100644
index 000000000..1f28597c8
--- /dev/null
+++ b/mirro-rs/riscv64.patch
@@ -0,0 +1,11 @@
+--- PKGBUILD
++++ PKGBUILD
+@@ -15,7 +15,7 @@ options=('!lto')
+ 
+ prepare() {
+   cd "$pkgname-$pkgver"
+-  cargo fetch --locked --target "$CARCH-unknown-linux-gnu"
++  cargo fetch --locked
+ }
+ 
+ build() {