diff --git a/tailbone/views/batch.py b/tailbone/views/batch.py
index 4ff29838..91264cb5 100644
--- a/tailbone/views/batch.py
+++ b/tailbone/views/batch.py
@@ -631,8 +631,10 @@ class FileBatchCrud(BatchCrud):
         fs.filename.set(renderer=FileFieldRenderer.new(self), label="Data File")
         self.configure_fieldset(fs)
         if self.creating:
-            del fs.created
-            del fs.created_by
+            if 'created' in fs.render_fields:
+                del fs.created
+            if 'created_by' in fs.render_fields:
+                del fs.created_by
             if 'cognized' in fs.render_fields:
                 del fs.cognized
             if 'cognized_by' in fs.render_fields: