diff --git a/src/pydase/data_service/data_service_observer.py b/src/pydase/data_service/data_service_observer.py
index 479d601..28569bc 100644
--- a/src/pydase/data_service/data_service_observer.py
+++ b/src/pydase/data_service/data_service_observer.py
@@ -53,7 +53,7 @@ class DataServiceObserver(PropertyObserver):
         cached_value = cached_value_dict.get("value")
         if (
             all(part[0] != "_" for part in full_access_path.split("."))
-            and cached_value != value
+            and cached_value != dump(value)["value"]
         ):
             logger.debug("'%s' changed to '%s'", full_access_path, value)