diff --git a/tailbone/views/products.py b/tailbone/views/products.py
index bf5a974d..9ee7a60c 100644
--- a/tailbone/views/products.py
+++ b/tailbone/views/products.py
@@ -147,7 +147,8 @@ class ProductsView(MasterView):
     # These aliases enable the grid queries to filter products which may be
     # purchased from *any* vendor, and yet sort by only the "preferred" vendor
     # (since that's what shows up in the grid column).
-    ProductCostAny = orm.aliased(model.ProductCost)
+    ProductVendorCost = orm.aliased(model.ProductCost)
+    ProductVendorCostAny = orm.aliased(model.ProductCost)
     VendorAny = orm.aliased(model.Vendor)
 
     # same, but for prices
@@ -188,17 +189,17 @@ class ProductsView(MasterView):
         super(ProductsView, self).configure_grid(g)
 
         def join_vendor(q):
-            return q.outerjoin(model.ProductCost,
+            return q.outerjoin(self.ProductVendorCost,
                                sa.and_(
-                                   model.ProductCost.product_uuid == model.Product.uuid,
-                                   model.ProductCost.preference == 1))\
+                                   self.ProductVendorCost.product_uuid == model.Product.uuid,
+                                   self.ProductVendorCost.preference == 1))\
                     .outerjoin(model.Vendor)
 
         def join_vendor_any(q):
-            return q.outerjoin(self.ProductCostAny,
-                               self.ProductCostAny.product_uuid == model.Product.uuid)\
+            return q.outerjoin(self.ProductVendorCostAny,
+                               self.ProductVendorCostAny.product_uuid == model.Product.uuid)\
                     .outerjoin(self.VendorAny,
-                               self.VendorAny.uuid == self.ProductCostAny.vendor_uuid)
+                               self.VendorAny.uuid == self.ProductVendorCostAny.vendor_uuid)
 
         ProductCostCode = orm.aliased(model.ProductCost)
         ProductCostCodeAny = orm.aliased(model.ProductCost)