diff --git a/custom_components/openhasp/__init__.py b/custom_components/openhasp/__init__.py
index f79d816..8fe591f 100644
--- a/custom_components/openhasp/__init__.py
+++ b/custom_components/openhasp/__init__.py
@@ -500,6 +500,13 @@ async def lwt_message_received(msg):
                         EVENT_HASP_PLATE_ONLINE,
                         {CONF_PLATE: self._entry.data[CONF_HWID]},
                     )
+                    # Ensure any existing subscriptions are removed before
+                    # re-registering, to avoid duplicate event handlers after
+                    # a HA reload while the plate remains online (retained LWT
+                    # message triggers this handler again on re-subscription).
+                    for obj in self._objects:
+                        await obj.disable_object()
+
                     if self._pages_jsonl:
                         await self.async_load_page(self._pages_jsonl)
                     else:
@@ -858,4 +865,4 @@ async def message_received(msg):
                 )
 
         _LOGGER.debug("Subscribe to '%s' events on '%s'", self.obj_id, self.state_topic)
-        return await async_subscribe(self.hass, self.state_topic, message_received)
+        return await async_subscribe(self.hass, self.state_topic, message_received)
\ No newline at end of file