diff --git a/homeassistant/components/fritz/binary_sensor.py b/homeassistant/components/fritz/binary_sensor.py
index 00e9f406ed4cb7..f703fadb4b85ce 100644
--- a/homeassistant/components/fritz/binary_sensor.py
+++ b/homeassistant/components/fritz/binary_sensor.py
@@ -68,7 +68,7 @@ async def async_setup_entry(
         if description.is_suitable(connection_info)
     ]
 
-    async_add_entities(entities, True)
+    async_add_entities(entities)
 
 
 class FritzBoxBinarySensor(FritzBoxBaseCoordinatorEntity, BinarySensorEntity):
diff --git a/homeassistant/components/fritz/common.py b/homeassistant/components/fritz/common.py
index c9acd60b23c6e8..3d287b57384f34 100644
--- a/homeassistant/components/fritz/common.py
+++ b/homeassistant/components/fritz/common.py
@@ -291,7 +291,7 @@ def setup(self) -> None:
 
         self.has_call_deflections = "X_AVM-DE_OnTel1" in self.connection.services
 
-    def register_entity_updates(
+    async def async_register_entity_updates(
         self, key: str, update_fn: Callable[[FritzStatus, StateType], Any]
     ) -> Callable[[], None]:
         """Register an entity to be updated by coordinator."""
@@ -305,6 +305,12 @@ def unregister_entity_updates() -> None:
         if key not in self._entity_update_functions:
             _LOGGER.debug("register entity %s for updates", key)
             self._entity_update_functions[key] = update_fn
+            if self.fritz_status:
+                self.data["entity_states"][
+                    key
+                ] = await self.hass.async_add_executor_job(
+                    update_fn, self.fritz_status, self.data["entity_states"].get(key)
+                )
         return unregister_entity_updates
 
     async def _async_update_data(self) -> UpdateCoordinatorDataType:
@@ -1121,16 +1127,20 @@ def __init__(
     ) -> None:
         """Init device info class."""
         super().__init__(avm_wrapper)
-        if description.value_fn is not None:
-            self.async_on_remove(
-                avm_wrapper.register_entity_updates(
-                    description.key, description.value_fn
-                )
-            )
         self.entity_description = description
         self._device_name = device_name
         self._attr_unique_id = f"{avm_wrapper.unique_id}-{description.key}"
 
+    async def async_added_to_hass(self) -> None:
+        """When entity is added to hass."""
+        await super().async_added_to_hass()
+        if self.entity_description.value_fn is not None:
+            self.async_on_remove(
+                await self.coordinator.async_register_entity_updates(
+                    self.entity_description.key, self.entity_description.value_fn
+                )
+            )
+
     @property
     def device_info(self) -> DeviceInfo:
         """Return the device information."""
diff --git a/homeassistant/components/fritz/sensor.py b/homeassistant/components/fritz/sensor.py
index 53a299cd576745..980d86e2455ca0 100644
--- a/homeassistant/components/fritz/sensor.py
+++ b/homeassistant/components/fritz/sensor.py
@@ -298,7 +298,7 @@ async def async_setup_entry(
         if description.is_suitable(connection_info)
     ]
 
-    async_add_entities(entities, True)
+    async_add_entities(entities)
 
 
 class FritzBoxSensor(FritzBoxBaseCoordinatorEntity, SensorEntity):