diff --git a/erpnext/selling/doctype/customer/customer.py b/erpnext/selling/doctype/customer/customer.py
index 9e5e7bd..21f6578 100644
--- a/erpnext/selling/doctype/customer/customer.py
+++ b/erpnext/selling/doctype/customer/customer.py
@@ -212,7 +212,7 @@
 			from `tabSales Invoice Item`
 			where dn_detail = %s and docstatus = 1""", dn_item.name)[0][0]
 
-		if flt(dn_item.amount) > flt(si_amount):
+		if flt(dn_item.amount) > flt(si_amount) and dn_item.base_net_total:
 			outstanding_based_on_dn += ((flt(dn_item.amount) - flt(si_amount)) \
 				/ dn_item.base_net_total) * dn_item.base_grand_total
 
diff --git a/erpnext/stock/report/stock_balance/stock_balance.py b/erpnext/stock/report/stock_balance/stock_balance.py
index 45f5ccc..92e7adf 100644
--- a/erpnext/stock/report/stock_balance/stock_balance.py
+++ b/erpnext/stock/report/stock_balance/stock_balance.py
@@ -93,14 +93,14 @@
 			qty_dict.opening_qty += qty_diff
 			qty_dict.opening_val += value_diff
 		elif d.posting_date >= getdate(filters["from_date"]) and d.posting_date <= getdate(filters["to_date"]):
-			qty_dict.val_rate = d.valuation_rate
 			if qty_diff > 0:
 				qty_dict.in_qty += qty_diff
 				qty_dict.in_val += value_diff
 			else:
 				qty_dict.out_qty += abs(qty_diff)
 				qty_dict.out_val += abs(value_diff)
-
+				
+		qty_dict.val_rate = d.valuation_rate
 		qty_dict.bal_qty += qty_diff
 		qty_dict.bal_val += value_diff