diff --git a/notifications/base/models.py b/notifications/base/models.py
index 05eaac4..8870250 100644
--- a/notifications/base/models.py
+++ b/notifications/base/models.py
@@ -320,7 +320,7 @@ def notify_handler(verb, **kwargs):
                         ContentType.objects.get_for_model(obj))
 
         if kwargs and EXTRA_DATA:
-            newnotify.data = kwargs
+            newnotify.data = kwargs.copy()
 
         newnotify.save()
         new_notifications.append(newnotify)