diff --git a/erpnext/accounts/report/financial_statements.py b/erpnext/accounts/report/financial_statements.py
index 71e541692f8..04068dc08a1 100644
--- a/erpnext/accounts/report/financial_statements.py
+++ b/erpnext/accounts/report/financial_statements.py
@@ -532,6 +532,7 @@ def get_accounting_entries(
 		query = query.select(gl_entry.posting_date, gl_entry.is_opening, gl_entry.fiscal_year)
 		query = query.where(gl_entry.is_cancelled == 0)
 		query = query.where(gl_entry.posting_date <= to_date)
+		query = query.force_index("posting_date_company_index")
 
 		if ignore_opening_entries and not ignore_is_opening:
 			query = query.where(gl_entry.is_opening == "No")