diff --git a/addons/pos_sale/report/sale_report.py b/addons/pos_sale/report/sale_report.py
index 374013aad4f..8238f5938ee 100644
--- a/addons/pos_sale/report/sale_report.py
+++ b/addons/pos_sale/report/sale_report.py
@@ -28,8 +28,8 @@ class SaleReport(models.Model):
             t.uom_id AS product_uom,
             sum(l.qty) AS product_uom_qty,
             sum(l.qty) AS qty_delivered,
-            CASE WHEN pos.state = 'invoiced' THEN sum(qty) ELSE 0 END AS qty_invoiced,
-            CASE WHEN pos.state != 'invoiced' THEN sum(qty) ELSE 0 END AS qty_to_invoice,
+            CASE WHEN pos.state = 'invoiced' THEN sum(l.qty) ELSE 0 END AS qty_invoiced,
+            CASE WHEN pos.state != 'invoiced' THEN sum(l.qty) ELSE 0 END AS qty_to_invoice,
             SUM(l.price_subtotal_incl) / MIN(CASE COALESCE(pos.currency_rate, 0) WHEN 0 THEN 1.0 ELSE pos.currency_rate END) AS price_total,
             SUM(l.price_subtotal) / MIN(CASE COALESCE(pos.currency_rate, 0) WHEN 0 THEN 1.0 ELSE pos.currency_rate END) AS price_subtotal,
             (CASE WHEN pos.state != 'invoiced' THEN SUM(l.price_subtotal_incl) ELSE 0 END) / MIN(CASE COALESCE(pos.currency_rate, 0) WHEN 0 THEN 1.0 ELSE pos.currency_rate END) AS amount_to_invoice,