diff --git a/tailbone/views/master.py b/tailbone/views/master.py
index 5f096561..8cc252ce 100644
--- a/tailbone/views/master.py
+++ b/tailbone/views/master.py
@@ -1527,7 +1527,7 @@ class MasterView(View):
         """
         csvrow = {}
         for field in fields:
-            value = getattr(obj, field)
+            value = getattr(obj, field, None)
             csvrow[field] = '' if value is None else six.text_type(value)
         return csvrow
 
@@ -1537,7 +1537,7 @@ class MasterView(View):
         """
         csvrow = {}
         for field in fields:
-            value = getattr(row, field)
+            value = getattr(row, field, None)
             csvrow[field] = '' if value is None else six.text_type(value)
         return csvrow