diff --git a/erpnext/stock/stock_ledger.py b/erpnext/stock/stock_ledger.py
index a2614d7..2956170 100644
--- a/erpnext/stock/stock_ledger.py
+++ b/erpnext/stock/stock_ledger.py
@@ -269,7 +269,7 @@
 	elif not valuation_rate:
 		valuation_rate = get_valuation_rate(sle.item_code, sle.warehouse)
 
-	return abs(valuation_rate)
+	return abs(flt(valuation_rate))
 
 def get_fifo_values(qty_after_transaction, sle, stock_queue):
 	incoming_rate = flt(sle.incoming_rate)