diff --git a/custom_components/xiaomi_home/miot/miot_i18n.py b/custom_components/xiaomi_home/miot/miot_i18n.py
index 5f11694..152bc08 100644
--- a/custom_components/xiaomi_home/miot/miot_i18n.py
+++ b/custom_components/xiaomi_home/miot/miot_i18n.py
@@ -71,7 +71,7 @@ class MIoTI18n:
     ) -> None:
         self._main_loop = loop or asyncio.get_event_loop()
         self._lang = lang
-        self._data = None
+        self._data = {}
 
     async def init_async(self) -> None:
         if self._data:
@@ -94,7 +94,7 @@ class MIoTI18n:
         self._data = data
 
     async def deinit_async(self) -> None:
-        self._data = None
+        self._data = {}
 
     def translate(
         self, key: str, replace: Optional[dict[str, str]] = None