diff --git a/nullptr/models/base.py b/nullptr/models/base.py
index 10c8641..04a0276 100644
--- a/nullptr/models/base.py
+++ b/nullptr/models/base.py
@@ -28,7 +28,7 @@ class Base:
       setattr(self, attr, lst)
     
   def __setattr__(self, name, value):
-    if name not in ['symbol','store']:
+    if name not in ['symbol','store','__dict__']:
       self.store.dirty(self)
     super().__setattr__(name, value)