diff --git a/addons/purchase_stock/data/purchase_stock_data.xml b/addons/purchase_stock/data/purchase_stock_data.xml
index 431147a5b01..859d4cc1c63 100644
--- a/addons/purchase_stock/data/purchase_stock_data.xml
+++ b/addons/purchase_stock/data/purchase_stock_data.xml
@@ -2,6 +2,8 @@
 <odoo>
     <data noupdate="1">
 
+        <function model="purchase.order.line" name="_update_qty_received_method" />
+
 		<!--
              Stock rules and routes
         -->
diff --git a/addons/purchase_stock/models/purchase.py b/addons/purchase_stock/models/purchase.py
index 2651107d036..bfff1567238 100644
--- a/addons/purchase_stock/models/purchase.py
+++ b/addons/purchase_stock/models/purchase.py
@@ -510,3 +510,8 @@ class PurchaseOrderLine(models.Model):
                     incoming_moves |= move
 
         return outgoing_moves, incoming_moves
+
+    @api.model
+    def _update_qty_received_method(self):
+        """Update qty_received_method for old PO before install this module."""
+        self.search([])._compute_qty_received_method()