diff --git a/pomice/pool.py b/pomice/pool.py
index 60690eb..68a5c8a 100644
--- a/pomice/pool.py
+++ b/pomice/pool.py
@@ -109,7 +109,7 @@ class Node:
         heartbeat: int = 30,
         loop: Optional[asyncio.AbstractEventLoop] = None,
         session: Optional[aiohttp.ClientSession] = None,
-        spotify_client_id: Optional[int] = None,
+        spotify_client_id: Optional[str] = None,
         spotify_client_secret: Optional[str] = None,
         apple_music: bool = False,
         fallback: bool = False,