diff --git a/src/main.py b/src/main.py
index 60c72b0..21bf245 100644
--- a/src/main.py
+++ b/src/main.py
@@ -83,7 +83,7 @@ See `/docs` for the full API reference.
     lifespan=lifespan,
     debug=settings.debug,
     swagger_ui_init_oauth={
-        "clientId": settings.oidc_audience,
+        "clientId": settings.oidc_audiences[0] if settings.oidc_audiences else "core-api",
         "usePkceWithAuthorizationCodeGrant": True,
     } if settings.oidc_enabled else None
 )