diff --git a/dask_kubernetes/operator/_objects.py b/dask_kubernetes/operator/_objects.py
index 79b96f33..da34a44a 100644
--- a/dask_kubernetes/operator/_objects.py
+++ b/dask_kubernetes/operator/_objects.py
@@ -71,7 +71,7 @@ async def scheduler_service(self) -> Service:
         return services[0]
 
     async def ready(self) -> bool:
-        await self._refresh()
+        await self.async_refresh()
         return (
             "status" in self.raw
             and "phase" in self.status