diff --git a/crates/backend/src/codegen/fn.rs b/crates/backend/src/codegen/fn.rs
index caf0acf2..2c6eb00d 100644
--- a/crates/backend/src/codegen/fn.rs
+++ b/crates/backend/src/codegen/fn.rs
@@ -49,6 +49,11 @@ impl TryToTokens for NapiFn {
           impl NapiRefContainer {
             fn drop(self, env: napi::sys::napi_env) {
               for r in self.0.into_iter() {
+                assert_eq!(
+                  unsafe { napi::sys::napi_reference_unref(env, r, &mut 0) },
+                  napi::sys::Status::napi_ok,
+                  "failed to delete napi ref"
+                );
                 assert_eq!(
                   unsafe { napi::sys::napi_delete_reference(env, r) },
                   napi::sys::Status::napi_ok,
@@ -62,7 +67,7 @@ impl TryToTokens for NapiFn {
           let _make_ref = |a: ::std::ptr::NonNull<napi::bindgen_prelude::sys::napi_value__>| {
             let mut node_ref = ::std::mem::MaybeUninit::uninit();
             napi::bindgen_prelude::check_status!(unsafe {
-                napi::bindgen_prelude::sys::napi_create_reference(env, a.as_ptr(), 0, node_ref.as_mut_ptr())
+                napi::bindgen_prelude::sys::napi_create_reference(env, a.as_ptr(), 1, node_ref.as_mut_ptr())
               },
               "failed to create napi ref"
             )?;
diff --git a/crates/napi/src/bindgen_runtime/callback_info.rs b/crates/napi/src/bindgen_runtime/callback_info.rs
index fd3a34ad..b41ce559 100644
--- a/crates/napi/src/bindgen_runtime/callback_info.rs
+++ b/crates/napi/src/bindgen_runtime/callback_info.rs
@@ -82,7 +82,7 @@ impl<const N: usize> CallbackInfo<N> {
         sys::napi_wrap(
           self.env,
           this,
-          value_ref as *mut c_void,
+          value_ref.cast(),
           Some(raw_finalize_unchecked::<T>),
           ptr::null_mut(),
           &mut object_ref
@@ -94,8 +94,8 @@ impl<const N: usize> CallbackInfo<N> {
 
     Reference::<T>::add_ref(
       self.env,
-      value_ref as *mut c_void,
-      (value_ref as *mut c_void, object_ref, finalize_callbacks_ptr),
+      value_ref.cast(),
+      (value_ref.cast(), object_ref, finalize_callbacks_ptr),
     );
     Ok((this, value_ref))
   }
@@ -176,8 +176,8 @@ impl<const N: usize> CallbackInfo<N> {
 
     Reference::<T>::add_ref(
       self.env,
-      value_ref as *mut c_void,
-      (value_ref as *mut c_void, object_ref, finalize_callbacks_ptr),
+      value_ref.cast(),
+      (value_ref.cast(), object_ref, finalize_callbacks_ptr),
     );
     Ok((instance, value_ref))
   }
@@ -212,7 +212,7 @@ impl<const N: usize> CallbackInfo<N> {
         T::type_name(),
       )?;
 
-      Ok(wrapped_val as *mut T)
+      Ok(wrapped_val.cast())
     }
   }
 }