diff --git a/build.rs b/build.rs
index 29907ea..bbf4a74 100644
--- a/build.rs
+++ b/build.rs
@@ -13,6 +13,7 @@ fn main() {
         || target_arch == "loongarch64"
         || target_arch == "mips64"
         || target_arch == "powerpc64"
+        || target_arch == "riscv64"
         || target_arch == "wasm32"
         || target_arch == "x86_64"
         || target_pointer_width == "64"