diff --git a/sbv2_api/src/main.rs b/sbv2_api/src/main.rs
index 6492271..a29d78f 100644
--- a/sbv2_api/src/main.rs
+++ b/sbv2_api/src/main.rs
@@ -5,7 +5,7 @@ use axum::{
     routing::{get, post},
     Json, Router,
 };
-use sbv2_core::tts::TTSModelHolder;
+use sbv2_core::tts::{TTSModelHolder, SynthesizeOptions};
 use serde::Deserialize;
 use std::env;
 use std::sync::Arc;
@@ -49,7 +49,11 @@ async fn synthesize(
     log::debug!("processing request: text={text}, ident={ident}, sdp_ratio={sdp_ratio}, length_scale={length_scale}");
     let buffer = {
         let tts_model = state.tts_model.lock().await;
-        tts_model.easy_synthesize(&ident, &text, 0, sdp_ratio, length_scale)?
+        tts_model.easy_synthesize(&ident, &text, 0, SynthesizeOptions {
+            sdp_ratio,
+            length_scale,
+            ..Default::default()
+        })?
     };
     Ok(([(CONTENT_TYPE, "audio/wav")], buffer))
 }