diff --git a/src/pydase/data_service/data_service_observer.py b/src/pydase/data_service/data_service_observer.py
index ef4e85d..29450f4 100644
--- a/src/pydase/data_service/data_service_observer.py
+++ b/src/pydase/data_service/data_service_observer.py
@@ -44,8 +44,12 @@ class DataServiceObserver(PropertyObserver):
 
         self._update_cache_value(full_access_path, value, cached_value_dict)
 
-        # TODO: get the cached value again -> _update_cache_value already put the
-        # right thing into the cache
+        cached_value_dict = deepcopy(
+            self.state_manager._data_service_cache.get_value_dict_from_cache(
+                full_access_path
+            )
+        )
+
         for callback in self._notification_callbacks:
             callback(full_access_path, value, cached_value_dict)