diff --git a/erpnext/accounts/report/general_ledger/general_ledger.py b/erpnext/accounts/report/general_ledger/general_ledger.py
index 6afe208..f83a259 100644
--- a/erpnext/accounts/report/general_ledger/general_ledger.py
+++ b/erpnext/accounts/report/general_ledger/general_ledger.py
@@ -296,7 +296,7 @@
 		data[key].debit_in_account_currency += flt(gle.debit_in_account_currency)
 		data[key].credit_in_account_currency += flt(gle.credit_in_account_currency)
 
-		if data[key].against_voucher:
+		if data[key].against_voucher and gle.against_voucher:
 			data[key].against_voucher += ', ' + gle.against_voucher
 
 	from_date, to_date = getdate(filters.from_date), getdate(filters.to_date)