diff --git a/src/pydase/data_service/data_service_observer.py b/src/pydase/data_service/data_service_observer.py
index 28569bc..75a78b5 100644
--- a/src/pydase/data_service/data_service_observer.py
+++ b/src/pydase/data_service/data_service_observer.py
@@ -8,7 +8,10 @@ from pydase.observer_pattern.observable.observable_object import ObservableObjec
 from pydase.observer_pattern.observer.property_observer import (
     PropertyObserver,
 )
-from pydase.utils.helpers import get_object_attr_from_path
+from pydase.utils.helpers import (
+    get_object_attr_from_path,
+    normalize_full_access_path_string,
+)
 from pydase.utils.serialization.serializer import (
     SerializationPathError,
     SerializedObject,
@@ -99,7 +102,8 @@ class DataServiceObserver(PropertyObserver):
         )
 
     def _notify_dependent_property_changes(self, changed_attr_path: str) -> None:
-        changed_props = self.property_deps_dict.get(changed_attr_path, [])
+        normalized_attr_path = normalize_full_access_path_string(changed_attr_path)
+        changed_props = self.property_deps_dict.get(normalized_attr_path, [])
         for prop in changed_props:
             # only notify about changing attribute if it is not currently being
             # "changed" e.g. when calling the getter of a property within another
diff --git a/src/pydase/utils/helpers.py b/src/pydase/utils/helpers.py
index f47af3e..748213d 100644
--- a/src/pydase/utils/helpers.py
+++ b/src/pydase/utils/helpers.py
@@ -223,3 +223,25 @@ def current_event_loop_exists() -> bool:
     import asyncio
 
     return asyncio.get_event_loop_policy()._local._loop is not None  # type: ignore
+
+
+def normalize_full_access_path_string(s: str) -> str:
+    """Normalizes a string representing a full access path by converting double quotes
+    to single quotes.
+
+    This function is useful for ensuring consistency in strings that represent access
+    paths containing dictionary keys, by replacing all double quotes (`"`) with single
+    quotes (`'`).
+
+    Args:
+        s (str): The input string to be normalized.
+
+    Returns:
+        A new string with all double quotes replaced by single quotes.
+
+    Example:
+        >>> normalize_full_access_path_string('dictionary["first"].my_task')
+        "dictionary['first'].my_task"
+    """
+
+    return s.replace('"', "'")