diff --git a/solara/server/starlette.py b/solara/server/starlette.py
index 497e17ceb..ac7eb0760 100644
--- a/solara/server/starlette.py
+++ b/solara/server/starlette.py
@@ -76,7 +76,7 @@ def __init__(self, ws: starlette.websockets.WebSocket, portal: anyio.from_thread
         self.portal = portal
 
     def close(self):
-        self.portal.call(self.close)
+        self.portal.call(self.ws.close)
 
     def send_text(self, data: str) -> None:
         self.portal.call(self.ws.send_text, data)