diff --git a/src/mako/cli/lib/engine.mako b/src/mako/cli/lib/engine.mako
index 93f736087d..0ce1f52228 100644
--- a/src/mako/cli/lib/engine.mako
+++ b/src/mako/cli/lib/engine.mako
@@ -289,7 +289,7 @@ if dry_run {
     match match protocol {
         % if mc.media_params:
         % for p in mc.media_params:
-        CallType::Upload(UploadProtocol::${p.protocol.capitalize()}) => call.${upload_action_fn(api.terms.upload_action, p.type.suffix)}(input_file.unwrap(), mime_type.unwrap()),
+        CallType::Upload(UploadProtocol::${p.protocol.capitalize()}) => call.${upload_action_fn(api.terms.upload_action, p.type.suffix)}(input_file.unwrap(), mime_type.unwrap()).await,
         % endfor
         CallType::Standard => unreachable!()
         % else:
diff --git a/src/mako/cli/main.rs.mako b/src/mako/cli/main.rs.mako
index 093880a844..a196e81e5a 100644
--- a/src/mako/cli/main.rs.mako
+++ b/src/mako/cli/main.rs.mako
@@ -37,7 +37,7 @@ async fn main() {
     let matches = app.get_matches();
 
     let debug = matches.is_present("${DEBUG_FLAG}");
-    match Engine::new(matches) {
+    match Engine::new(matches).await {
         Err(err) => {
             exit_status = err.exit_code;
             writeln!(io::stderr(), "{}", err).ok();