diff --git a/crates/napi/src/tokio_runtime.rs b/crates/napi/src/tokio_runtime.rs
index 6777b43e..9fbac24b 100644
--- a/crates/napi/src/tokio_runtime.rs
+++ b/crates/napi/src/tokio_runtime.rs
@@ -35,7 +35,7 @@ pub(crate) static TOKIO_RT_REF_COUNT: AtomicUsize = AtomicUsize::new(0);
 
 #[doc(hidden)]
 #[inline(never)]
-pub extern "C" fn shutdown_tokio_rt(arg: *mut c_void) {
+pub unsafe extern "C" fn shutdown_tokio_rt(arg: *mut c_void) {
   if TOKIO_RT_REF_COUNT.fetch_sub(1, Ordering::Relaxed) == 0 {
     let sender = &RT.1;
     if let Err(e) = sender.clone().try_send(()) {