diff --git a/modules/purchase/purchase.py b/modules/purchase/purchase.py
index ec2fadb..4e12f26 100755
--- a/modules/purchase/purchase.py
+++ b/modules/purchase/purchase.py
@@ -1885,7 +1885,10 @@ class Line(sequence_ordered(), ModelSQL, ModelView):
                         self.product.supplier_taxes_deductible_rate_used)
                 invoice_line.invoice_type = 'in'
                 if self.product:
-                    invoice_line.account = self.product.account_stock_in_used
+                    if self.product.type == 'service' and not self.product.landed_cost:
+                        invoice_line.account = self.product.account_expense_used
+                    else:
+                        invoice_line.account = self.product.account_stock_in_used
                     if not invoice_line.account:
                         raise AccountError(
                             gettext('purchase'