diff --git a/quality_control_stock_oca/models/qc_inspection.py b/quality_control_stock_oca/models/qc_inspection.py
index 7979d0cc1..e3f7078a9 100644
--- a/quality_control_stock_oca/models/qc_inspection.py
+++ b/quality_control_stock_oca/models/qc_inspection.py
@@ -69,7 +69,7 @@ class QcInspection(models.Model):
                 inspection.product_id = inspection.object_id.product_id
             elif inspection.object_id._name == "stock.move.line":
                 inspection.product_id = inspection.object_id.product_id
-            elif self.object_id._name == "stock.production.lot":
+            elif inspection.object_id._name == "stock.production.lot":
                 inspection.product_id = inspection.object_id.product_id
 
     @api.onchange("object_id")