diff --git a/src/pydase/data_service/state_manager.py b/src/pydase/data_service/state_manager.py
index 6cae899..82b1c66 100644
--- a/src/pydase/data_service/state_manager.py
+++ b/src/pydase/data_service/state_manager.py
@@ -50,11 +50,10 @@ def has_load_state_decorator(prop: property):
     decorator.
     """
 
-    if prop and isinstance(prop, property):
-        # Check if the setter function has the attribute set by the @load_state
-        # decorator
-        return getattr(prop.fset, "_load_state", False)
-    return False
+    try:
+        return getattr(prop.fset, "_load_state")
+    except AttributeError:
+        return False
 
 
 class StateManager: