diff --git a/erpnext/accounts/general_ledger.py b/erpnext/accounts/general_ledger.py
index 55bc967..8b01e7c 100644
--- a/erpnext/accounts/general_ledger.py
+++ b/erpnext/accounts/general_ledger.py
@@ -325,7 +325,7 @@
 				"voucher_type": voucher_type,
 				"voucher_no": voucher_no,
 				"is_cancelled": 0
-			})
+			}, for_update=True)
 
 	if gl_entries:
 		validate_accounting_period(gl_entries)