diff --git a/addons/purchase/models/purchase.py b/addons/purchase/models/purchase.py
index 9ff1ee0ebf1..7cd1132d89e 100644
--- a/addons/purchase/models/purchase.py
+++ b/addons/purchase/models/purchase.py
@@ -57,7 +57,7 @@ class PurchaseOrder(models.Model):
 
             if any(float_compare(line.qty_invoiced, line.product_qty if line.product_id.purchase_method == 'purchase' else line.qty_received, precision_digits=precision) == -1 for line in order.order_line):
                 order.invoice_status = 'to invoice'
-            elif all(float_compare(line.qty_invoiced, line.product_qty if line.product_id.purchase_method == 'purchase' else line.qty_received, precision_digits=precision) >= 0 for line in order.order_line):
+            elif all(float_compare(line.qty_invoiced, line.product_qty if line.product_id.purchase_method == 'purchase' else line.qty_received, precision_digits=precision) >= 0 for line in order.order_line) and order.invoice_ids:
                 order.invoice_status = 'invoiced'
             else:
                 order.invoice_status = 'no'