diff --git a/crates/voicevox_core_c_api/src/lib.rs b/crates/voicevox_core_c_api/src/lib.rs
index e27764e3e..0dff338e0 100644
--- a/crates/voicevox_core_c_api/src/lib.rs
+++ b/crates/voicevox_core_c_api/src/lib.rs
@@ -24,7 +24,7 @@ static INTERNAL: Lazy<Mutex<Internal>> = Lazy::new(|| {
         .with_env_filter(if env::var_os(EnvFilter::DEFAULT_ENV).is_some() {
             EnvFilter::from_default_env()
         } else {
-            "error,sharevox_core=info,sharevox_core_c_api=info,onnxruntime=info".into()
+            "error,voicevox_core=info,sharevox_core_c_api=info,onnxruntime=info".into()
         })
         .with_writer(io::stderr)
         .try_init();