diff --git a/omnisette/src/aos_kit.rs b/omnisette/src/aos_kit.rs
index 5e53787..a4224a3 100644
--- a/omnisette/src/aos_kit.rs
+++ b/omnisette/src/aos_kit.rs
@@ -12,6 +12,8 @@ pub struct AOSKitAnisetteProvider<'lt> {
     ak_device: &'lt Class,
 }
 
+use crate::AnisetteError;
+
 impl<'lt> AOSKitAnisetteProvider<'lt> {
     pub fn new() -> Result<AOSKitAnisetteProvider<'lt>> {
         Library::open("/System/Library/PrivateFrameworks/AOSKit.framework/AOSKit")?;
@@ -23,13 +25,13 @@ impl<'lt> AOSKitAnisetteProvider<'lt> {
     }
 }
 
-#[cfg_attr(feature = "async", async_trait::async_trait(?Send))]
+#[cfg_attr(feature = "async", async_trait::async_trait)]
 impl<'lt> AnisetteHeadersProvider for AOSKitAnisetteProvider<'lt> {
     #[cfg_attr(not(feature = "async"), remove_async_await::remove_async_await)]
     async fn get_anisette_headers(
         &mut self,
         _skip_provisioning: bool,
-    ) -> Result<HashMap<String, String>> {
+    ) -> Result<HashMap<String, String>, AnisetteError> {
         let mut headers_map = HashMap::new();
 
         let headers: *const NSObject = unsafe {