diff --git a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
index b7546a9ce33..a407f90b51f 100644
--- a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
@@ -3860,6 +3860,7 @@ class TestSalesInvoice(FrappeTestCase):
 		si = create_sales_invoice(do_not_submit=True)
 
 		project = frappe.new_doc("Project")
+		project.company = "_Test Company"
 		project.project_name = "Test Total Billed Amount"
 		project.save()