diff --git a/src/fastmcp/client/client.py b/src/fastmcp/client/client.py
index 51ca9c5a7..7e8c106e8 100644
--- a/src/fastmcp/client/client.py
+++ b/src/fastmcp/client/client.py
@@ -95,7 +95,7 @@ class Client:
         message_handler: MessageHandler | None = None,
         progress_handler: ProgressHandler | None = None,
         timeout: datetime.timedelta | float | int | None = None,
-        init_timeout: datetime.timedelta | float | int | None = 1,
+        init_timeout: datetime.timedelta | float | int = 1,
     ):
         self.transport = infer_transport(transport)
         self._session: ClientSession | None = None