diff --git a/homeassistant/helpers/discovery_flow.py b/homeassistant/helpers/discovery_flow.py
index b6633a3f718..e24b405c685 100644
--- a/homeassistant/helpers/discovery_flow.py
+++ b/homeassistant/helpers/discovery_flow.py
@@ -82,7 +82,9 @@ class FlowDispatcher:
     @callback
     def async_setup(self) -> None:
         """Set up the flow disptcher."""
-        self.hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STARTED, self._async_start)
+        self.hass.bus.async_listen_once(
+            EVENT_HOMEASSISTANT_STARTED, self._async_start, run_immediately=True
+        )
 
     async def _async_start(self, event: Event) -> None:
         """Start processing pending flows."""