diff --git a/tailbone/views/products.py b/tailbone/views/products.py
index b1feecc3..b2cb835e 100644
--- a/tailbone/views/products.py
+++ b/tailbone/views/products.py
@@ -663,6 +663,7 @@ class ProductView(MasterView):
         fields.append('vendor_name')
         fields.append('vendor_item_code')
         fields.append('unit_cost')
+        fields.append('true_margin')
 
         return fields
 
@@ -724,6 +725,11 @@ class ProductView(MasterView):
         if 'unit_cost' in fields:
             row['unit_cost'] = product.cost.unit_cost if product.cost else None
 
+        if 'true_margin' in fields:
+            row['true_margin'] = None
+            if product.volatile and product.volatile.true_margin:
+                row['true_margin'] = product.volatile.true_margin
+
         return row
 
     def get_instance(self):