diff --git a/product_limit.py b/product_limit.py
index 3ab669d..a0d6421 100644
--- a/product_limit.py
+++ b/product_limit.py
@@ -85,7 +85,7 @@ class ProductLimit(ModelSQL, ModelView):
             product_ids = [l.product.id for l in products_with_limit]
         products = Product.browse(product_ids)
         with Transaction().set_context(context):
-            products = Product.get_quantity(products, 'forecast_quantity')
+            products = Product.get_quantity(products, 'quantity')
             p_forecast = {k: value for k, value in products.items()
                 if value}