diff --git a/tailbone/views/batch/core.py b/tailbone/views/batch/core.py
index 84ef451f..f4f74a34 100644
--- a/tailbone/views/batch/core.py
+++ b/tailbone/views/batch/core.py
@@ -853,7 +853,7 @@ class BatchMasterView(MasterView):
                     if isinstance(field.widget, forms.widgets.PlainSelectWidget):
                         warnings.warn("PlainSelectWidget is deprecated; "
                                       "please use deform.widget.SelectWidget instead",
-                                      DeprecationWarning)
+                                      DeprecationWarning, stacklevel=2)
                         field.widget = dfwidget.SelectWidget(values=field.widget.values)
 
         if not schema: