diff --git a/custom_components/ezviz_cloud/manifest.json b/custom_components/ezviz_cloud/manifest.json
index a18c4e5..e0c37c8 100644
--- a/custom_components/ezviz_cloud/manifest.json
+++ b/custom_components/ezviz_cloud/manifest.json
@@ -9,5 +9,5 @@
   "issue_tracker": "https://github.com/RenierM26/ha-ezviz/issues",
   "loggers": ["paho_mqtt", "pyezviz"],
   "requirements": ["pyezviz==0.2.2.2"],
-  "version": "0.1.0.40"
+  "version": "0.1.0.41"
 }
diff --git a/custom_components/ezviz_cloud/siren.py b/custom_components/ezviz_cloud/siren.py
index 6b9be0b..1f08b38 100644
--- a/custom_components/ezviz_cloud/siren.py
+++ b/custom_components/ezviz_cloud/siren.py
@@ -1,6 +1,7 @@
 """Support for EZVIZ sirens."""
 from __future__ import annotations
 
+from collections.abc import Callable
 from datetime import datetime, timedelta
 from typing import Any
 
@@ -54,6 +55,7 @@ class EzvizSirenEntity(EzvizBaseEntity, SirenEntity, RestoreEntity):
 
     _attr_supported_features = SirenEntityFeature.TURN_ON | SirenEntityFeature.TURN_OFF
     _attr_should_poll = False
+    _attr_assumed_state = True
 
     def __init__(
         self,
@@ -66,6 +68,7 @@ def __init__(
         self._attr_unique_id = f"{serial}_{description.key}"
         self.entity_description = description
         self._attr_is_on = False
+        self._delay_listener: Callable | None = None
 
     async def async_added_to_hass(self) -> None:
         """Run when entity about to be added to hass."""
@@ -79,32 +82,46 @@ async def async_added_to_hass(self) -> None:
     async def async_turn_off(self, **kwargs: Any) -> None:
         """Turn off camera siren."""
         try:
-            if await self.hass.async_add_executor_job(
+            result = await self.hass.async_add_executor_job(
                 self.coordinator.ezviz_client.sound_alarm, self._serial, 1
-            ):
-                self._attr_is_on = False
-                self.async_write_ha_state()
+            )
 
         except (HTTPError, PyEzvizError) as err:
             raise HomeAssistantError(
                 f"Failed to turn siren off for {self.name}"
             ) from err
 
+        if result:
+            if self._delay_listener is not None:
+                self._delay_listener()
+                self._delay_listener = None
+
+            self._attr_is_on = False
+            self.async_write_ha_state()
+
     async def async_turn_on(self, **kwargs: Any) -> None:
         """Turn on camera siren."""
         try:
-            if await self.hass.async_add_executor_job(
+            result = self.hass.async_add_executor_job(
                 self.coordinator.ezviz_client.sound_alarm, self._serial, 2
-            ):
-                self._attr_is_on = True
-                evt.async_call_later(self.hass, OFF_DELAY, self.off_delay_listener)
-                self.async_write_ha_state()
+            )
 
         except (HTTPError, PyEzvizError) as err:
             raise HomeAssistantError(
                 f"Failed to turn siren on for {self.name}"
             ) from err
 
+        if result:
+            if self._delay_listener is not None:
+                self._delay_listener()
+                self._delay_listener = None
+
+            self._attr_is_on = True
+            self._delay_listener = evt.async_call_later(
+                self.hass, OFF_DELAY, self.off_delay_listener
+            )
+            self.async_write_ha_state()
+
     @callback
     def off_delay_listener(self, now: datetime) -> None:
         """Switch device off after a delay.
@@ -112,4 +129,5 @@ def off_delay_listener(self, now: datetime) -> None:
         Camera firmware has hard coded turn off after 60 seconds.
         """
         self._attr_is_on = False
+        self._delay_listener = None
         self.async_write_ha_state()