diff --git a/src/mako/api/lib/lib.mako b/src/mako/api/lib/lib.mako
index bbd657fc22..e6d6cf74af 100644
--- a/src/mako/api/lib/lib.mako
+++ b/src/mako/api/lib/lib.mako
@@ -256,7 +256,7 @@ use ${util.library_name()}::${hub_type};
 // Get an ApplicationSecret instance by some means. It contains the `client_id` and 
 // `client_secret`, among other things.
 % endif
-let secret: ApplicationSecret = Default::default();
+let secret: oauth2::ApplicationSecret = Default::default();
 % if comments:
 // Instantiate the authenticator. It will choose a suitable authentication flow for you, 
 // unless you replace  `None` with the desired Flow.
@@ -268,7 +268,7 @@ let auth = yup_oauth2::InstalledFlowAuthenticator::builder(
         secret,
         yup_oauth2::InstalledFlowReturnMethod::HTTPRedirect,
     ).build().await.unwrap();
-let mut hub = ${hub_type}::new(hyper::Client::with_connector(hyper::net::HttpsConnector::new(hyper_rustls::TlsClient::new())), auth);\
+let mut hub = ${hub_type}::new(hyper::Client::builder().build(hyper_rustls::HttpsConnector::with_native_roots()), auth);\
 </%def>
 
 ## You will still have to set the filter for your comment type - either nothing, or rust_doc_comment !
diff --git a/src/mako/api/lib/mbuild.mako b/src/mako/api/lib/mbuild.mako
index 89279d436a..260a1d99ab 100644
--- a/src/mako/api/lib/mbuild.mako
+++ b/src/mako/api/lib/mbuild.mako
@@ -371,7 +371,7 @@ let result = hub.${mangle_ident(resource)}().${mangle_ident(method)}(${required_
 </%block>\
 % endfor
 
-${'.' + action_name | indent_by(13)}(${action_args});
+${'.' + action_name | indent_by(13)}(${action_args}).await;
 % if handle_result:
 
 match result {
@@ -379,6 +379,7 @@ match result {
         // The Error enum provides details about what exactly happened.
         // You can also just use its `Debug`, `Display` or `Error` traits
          Error::HttpError(_)
+        |Error::Io(_)
         |Error::MissingAPIKey
         |Error::MissingToken(_)
         |Error::Cancelled
diff --git a/src/mako/lib/util.py b/src/mako/lib/util.py
index 083365570e..e84103962b 100644
--- a/src/mako/lib/util.py
+++ b/src/mako/lib/util.py
@@ -234,7 +234,7 @@ def markdown_rust_block(s):
 
 # wraps s into an invisible doc test function.
 def rust_test_fn_invisible(s):
-    return "# #[test] fn egal() {\n%s# }" % trailing_newline(s)
+    return "# async fn dox() {\n%s# }" % trailing_newline(s)
 
 # markdown comments
 def markdown_comment(s):