diff --git a/library/unwind/src/libunwind.rs b/library/unwind/src/libunwind.rs
index 0c57861f70a..2d65ded3909 100644
--- a/library/unwind/src/libunwind.rs
+++ b/library/unwind/src/libunwind.rs
@@ -57,6 +57,9 @@ pub const unwinder_private_data_size: usize = 2;
 #[cfg(target_arch = "riscv64")]
 pub const unwinder_private_data_size: usize = 2;
 
+#[cfg(target_arch = "riscv32")]
+pub const unwinder_private_data_size: usize = 2;
+
 #[cfg(target_os = "emscripten")]
 pub const unwinder_private_data_size: usize = 20;