diff --git a/rust/moshi-backend/Cargo.toml b/rust/moshi-backend/Cargo.toml
index e6df16c..f669159 100644
--- a/rust/moshi-backend/Cargo.toml
+++ b/rust/moshi-backend/Cargo.toml
@@ -56,3 +56,11 @@ vergen = { version = "8.3.1", features = ["build", "cargo", "git", "gitcl", "rus
 default = []
 cuda = ["moshi/cuda", "candle/cuda", "candle-nn/cuda", "candle-transformers/cuda"]
 metal = ["moshi/metal", "candle/metal", "candle-nn/metal", "candle-transformers/metal"]
+
+[profile.release]
+debug = true
+
+[profile.release-no-debug]
+inherits = "release"
+debug = false
+
diff --git a/rust/moshi-backend/src/benchmark.rs b/rust/moshi-backend/src/benchmark.rs
index 701bbe0..f6bd202 100644
--- a/rust/moshi-backend/src/benchmark.rs
+++ b/rust/moshi-backend/src/benchmark.rs
@@ -131,8 +131,8 @@ pub async fn run(args: &crate::BenchmarkArgs, config: &Config) -> Result<()> {
                 tokio::time::sleep_until(target_time).await;
                 in_pcm_tx.send(zeros.to_vec())?;
             }
-            let _ = task.await;
-            let _ = w.await;
+            task.await?;
+            w.await??;
         }
     }
     Ok(())
diff --git a/rust/moshi-backend/src/main.rs b/rust/moshi-backend/src/main.rs
index 6f88890..42a8879 100644
--- a/rust/moshi-backend/src/main.rs
+++ b/rust/moshi-backend/src/main.rs
@@ -51,6 +51,9 @@ pub struct BenchmarkArgs {
     #[clap(long)]
     chrome_tracing: bool,
 
+    #[clap(long)]
+    asr: bool,
+
     #[clap(long)]
     mimi_only: bool,
 }
diff --git a/rust/moshi-backend/src/standalone.rs b/rust/moshi-backend/src/standalone.rs
index 56afbec..b953366 100644
--- a/rust/moshi-backend/src/standalone.rs
+++ b/rust/moshi-backend/src/standalone.rs
@@ -82,7 +82,7 @@ impl stream_both::AppStateInner {
             let codes = mimi_model.encode_step(&fake_pcm.into())?;
             let ys = mimi_model.decode_step(&codes)?;
             if ys.as_option().is_none() {
-                anyhow::bail!("Expected mimi to output some stuff, but nothing came out.");
+                anyhow::bail!("Expected Mimi to output some stuff, but nothing came out.");
             }
             device.synchronize()?;
             tracing::info!("model is ready to roll!");
diff --git a/rust/moshi-backend/src/stream_both.rs b/rust/moshi-backend/src/stream_both.rs
index 11418a4..c983272 100644
--- a/rust/moshi-backend/src/stream_both.rs
+++ b/rust/moshi-backend/src/stream_both.rs
@@ -13,6 +13,7 @@ use std::sync::Arc;
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct Config {
     pub instance_name: String,
+    #[serde(default)]
     pub hf_repo: String,
     pub lm_model_file: String,
     pub log_dir: String,