diff --git a/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py b/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py
index ce8aba7..54464e7 100644
--- a/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py
+++ b/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py
@@ -32,8 +32,10 @@
 				})
 				invoices_summary.update({company: _summary})
 
-				paid_amount.append(invoice.paid_amount)
-				outstanding_amount.append(invoice.outstanding_amount)
+				if invoice.paid_amount:
+					paid_amount.append(invoice.paid_amount)
+				if invoice.outstanding_amount:
+					outstanding_amount.append(invoice.outstanding_amount)
 
 			if paid_amount or outstanding_amount:
 				max_count.update({