diff --git a/custom_components/stiebel_eltron_isg/number.py b/custom_components/stiebel_eltron_isg/number.py
index fed3b04..0bf884f 100644
--- a/custom_components/stiebel_eltron_isg/number.py
+++ b/custom_components/stiebel_eltron_isg/number.py
@@ -247,7 +247,7 @@ def unique_id(self) -> str | None:
 
     async def async_set_native_value(self, value: float) -> None:
         """Set new value."""
-        self.coordinator.set_data(self.entity_description.key, value)
+        await self.coordinator.set_data(self.entity_description.key, value)
 
     @property
     def native_value(self):
diff --git a/custom_components/stiebel_eltron_isg/select.py b/custom_components/stiebel_eltron_isg/select.py
index cb5259b..7cf9267 100644
--- a/custom_components/stiebel_eltron_isg/select.py
+++ b/custom_components/stiebel_eltron_isg/select.py
@@ -106,7 +106,7 @@ def current_option(self):
     async def async_select_option(self, option: str) -> None:
         """Update the current selected option."""
         key = get_key_from_value(self._options, option)
-        self.coordinator.set_data(self.entity_description.key, key)
+        await self.coordinator.set_data(self.entity_description.key, key)
 
     @property
     def available(self) -> bool: