diff --git a/addons/stock/wizard/stock_change_product_qty.py b/addons/stock/wizard/stock_change_product_qty.py
index 1e7b19fef7186c015d043879fec9286c48d4eb79..961eb2e0aef14cc358759407be0aabeb667cc430 100644
--- a/addons/stock/wizard/stock_change_product_qty.py
+++ b/addons/stock/wizard/stock_change_product_qty.py
@@ -98,7 +98,8 @@ class stock_change_product_qty(osv.osv_memory):
                 'product_id': data.product_id.id,
                 'location_id': data.location_id.id,
                 'lot_id': data.lot_id.id}, context=context)
-            th_qty = data.product_id.qty_available
+            product = data.product_id.with_context(location=data.location_id.id)
+            th_qty = product.qty_available
             line_data = {
                 'inventory_id': inventory_id,
                 'product_qty': data.new_quantity,