diff --git a/uvicorn/protocols/websockets/wsproto_impl.py b/uvicorn/protocols/websockets/wsproto_impl.py
index 6e4f505f1..65af7d308 100644
--- a/uvicorn/protocols/websockets/wsproto_impl.py
+++ b/uvicorn/protocols/websockets/wsproto_impl.py
@@ -87,11 +87,8 @@ def data_received(self, data):
         try:
             self.conn.receive_data(data)
         except RemoteProtocolError as err:
-            if err.event_hint is not None:
-                self.transport.write(self.conn.send(err.event_hint))
-                self.transport.close()
-            else:
-                self.handle_no_connect(events.CloseConnection())
+            self.transport.write(self.conn.send(err.event_hint))
+            self.transport.close()
         else:
             self.handle_events()