diff --git a/erpnext/stock/report/stock_balance/stock_balance.py b/erpnext/stock/report/stock_balance/stock_balance.py
index aee641c67c1..8957739b31a 100644
--- a/erpnext/stock/report/stock_balance/stock_balance.py
+++ b/erpnext/stock/report/stock_balance/stock_balance.py
@@ -347,7 +347,7 @@ class StockBalanceReport:
 		warehouse_table = frappe.qb.DocType("Warehouse")
 
 		if self.filters.get("warehouse"):
-			apply_warehouse_filter(query, sle, self.filters)
+			query = apply_warehouse_filter(query, sle, self.filters)
 
 		elif warehouse_type := self.filters.get("warehouse_type"):
 			query = (
diff --git a/erpnext/stock/report/stock_ledger/stock_ledger.py b/erpnext/stock/report/stock_ledger/stock_ledger.py
index 54335ff6507..addf938ec61 100644
--- a/erpnext/stock/report/stock_ledger/stock_ledger.py
+++ b/erpnext/stock/report/stock_ledger/stock_ledger.py
@@ -540,8 +540,8 @@ def get_opening_balance_from_batch(filters, columns, sl_entries):
 	}
 
 	for fields in ["item_code", "warehouse"]:
-		value = filters.get(fields)
-		query_filters[fields] = ("in", value)
+		if value := filters.get(fields):
+			query_filters[fields] = ("in", value)
 
 	opening_data = frappe.get_all(
 		"Stock Ledger Entry",