diff --git a/erpnext/stock/utils.py b/erpnext/stock/utils.py
index fd1ece2..2b9def3 100644
--- a/erpnext/stock/utils.py
+++ b/erpnext/stock/utils.py
@@ -65,7 +65,7 @@
 	if with_valuation_rate:
 		return (last_entry.qty_after_transaction, last_entry.valuation_rate) if last_entry else (0.0, 0.0)
 	else:
-		return last_entry.qty_after_transaction or 0.0
+		return last_entry.qty_after_transaction if last_entry else 0.0
 
 def get_latest_stock_balance():
 	bin_map = {}