diff --git a/erpnext/accounts/doctype/period_closing_voucher/period_closing_voucher.py b/erpnext/accounts/doctype/period_closing_voucher/period_closing_voucher.py
index a74fa06..fdb4f6f 100644
--- a/erpnext/accounts/doctype/period_closing_voucher/period_closing_voucher.py
+++ b/erpnext/accounts/doctype/period_closing_voucher/period_closing_voucher.py
@@ -102,14 +102,14 @@
 		make_gl_entries(gl_entries)
 
 	def get_pl_balances(self, dimension_fields):
-		"""Get balance for pl accounts"""
+		"""Get balance for Profit and Loss accounts, only including valid transactions (not cancelled)"""
 		return frappe.db.sql("""
 			select
 				t1.account, t2.account_currency, {dimension_fields},
 				sum(t1.debit_in_account_currency) - sum(t1.credit_in_account_currency) as balance_in_account_currency,
 				sum(t1.debit) - sum(t1.credit) as balance_in_company_currency
 			from `tabGL Entry` t1, `tabAccount` t2
-			where t1.account = t2.name and t2.report_type = 'Profit and Loss'
+			where t1.is_cancelled = 0 and t1.account = t2.name and t2.report_type = 'Profit and Loss'
 			and t2.docstatus < 2 and t2.company = %s
 			and t1.posting_date between %s and %s
 			group by t1.account, {dimension_fields}