diff --git a/stock_barcodes/models/stock_barcodes_option.py b/stock_barcodes/models/stock_barcodes_option.py
index 9cbced01973b..0f28adb6d30a 100644
--- a/stock_barcodes/models/stock_barcodes_option.py
+++ b/stock_barcodes/models/stock_barcodes_option.py
@@ -84,6 +84,10 @@ class StockBarcodesOptionGroup(models.Model):
     keep_screen_values = fields.Boolean(
         help="If checked the wizard values are kept until the pending move is completed",
     )
+    accumulate_read_quantity = fields.Boolean(
+        help="If checked quantity will be accumulated to the existing record instead of "
+        "overwrite it with the new quantity value",
+    )
 
     def get_option_value(self, field_name, attribute):
         option = self.option_ids.filtered(lambda op: op.field_name == field_name)[:1]
diff --git a/stock_barcodes/views/stock_barcodes_option_view.xml b/stock_barcodes/views/stock_barcodes_option_view.xml
index cec63626f930..b9319f596668 100644
--- a/stock_barcodes/views/stock_barcodes_option_view.xml
+++ b/stock_barcodes/views/stock_barcodes_option_view.xml
@@ -35,6 +35,7 @@
                             <field name="keep_screen_values" />
                             <field name="is_manual_confirm" />
                             <field name="is_manual_qty" />
+                            <field name="accumulate_read_quantity" />
                             <field name="allow_negative_quant" />
                             <field name="fill_fields_from_lot" />
                             <field name="auto_lot" />
diff --git a/stock_barcodes/wizard/stock_barcodes_read_inventory.py b/stock_barcodes/wizard/stock_barcodes_read_inventory.py
index 15d94d91db8c..e474796ff554 100644
--- a/stock_barcodes/wizard/stock_barcodes_read_inventory.py
+++ b/stock_barcodes/wizard/stock_barcodes_read_inventory.py
@@ -61,7 +61,6 @@ def _inventory_quant_domain(self):
                 "<=",
                 fields.Date.context_today(self).strftime("%Y-%m-%d"),
             ),
-            ("inventory_quantity_set", "=", True),
             ("product_id", "=", self.product_id.id),
             ("location_id", "=", self.location_id.id),
             ("lot_id", "=", self.lot_id.id),
@@ -78,7 +77,10 @@ def _add_inventory_quant(self):
             ):
                 self._serial_tracking_message_fail()
                 return False
-            quant.inventory_quantity = self.product_qty
+            if self.option_group_id.accumulate_read_quantity:
+                quant.inventory_quantity += self.product_qty
+            else:
+                quant.inventory_quantity = self.product_qty
         else:
             if self.product_id.tracking == "serial" and self.product_qty != 1:
                 self._serial_tracking_message_fail()