diff --git a/apub-awc/src/lib.rs b/apub-awc/src/lib.rs
index 929753b..d0e792f 100644
--- a/apub-awc/src/lib.rs
+++ b/apub-awc/src/lib.rs
@@ -100,11 +100,11 @@ where
 
     async fn do_fetch<Id: Dereference>(
         &self,
-        id: &Id,
+        url: &Url,
     ) -> Result<Option<<Id as Dereference>::Output>, AwcError<SignError<Crypto>>> {
         let mut response = self
             .client
-            .get(id.url().as_str())
+            .get(url.as_str())
             .insert_header(("Accept", "application/activity+json"))
             .insert_header(("Date", HttpDate::from(SystemTime::now())))
             .signature(self.config.clone(), self.crypto.key_id(), {
@@ -132,12 +132,10 @@ where
         Box<dyn Future<Output = Result<Option<<Id as Dereference>::Output>, Self::Error>> + 'a>,
     >;
 
-    fn fetch(&'a self, id: &'a Id) -> Self::Future {
-        Box::pin(apub_core::session::guard(
-            self.do_fetch(id),
-            id.url(),
-            &self.session,
-        ))
+    fn fetch(&'a self, id: Id) -> Self::Future {
+        Box::pin(async move {
+            apub_core::session::guard(self.do_fetch::<Id>(id.url()), id.url(), &self.session).await
+        })
     }
 }