diff --git a/tailbone/views/batch.py b/tailbone/views/batch.py
index b854fb83..b2cc91b5 100644
--- a/tailbone/views/batch.py
+++ b/tailbone/views/batch.py
@@ -812,8 +812,8 @@ class BatchRowGrid(BaseGrid):
 
     def modify_query(self, q):
         q = super(BatchRowGrid, self).modify_query(q)
-        q = q.filter_by(batch=self.current_batch())
-        q = q.filter_by(removed=False)
+        q = q.filter(self.row_class.batch == self.current_batch())
+        q = q.filter(self.row_class.removed == False)
         return q
 
     def join_map(self):