diff --git a/erpnext/stock/stock_ledger.py b/erpnext/stock/stock_ledger.py
index 13bbe1f5c08c..84bcb99f738e 100644
--- a/erpnext/stock/stock_ledger.py
+++ b/erpnext/stock/stock_ledger.py
@@ -699,7 +699,7 @@ def get_incoming_outgoing_rate_from_transaction(self, sle):
 				)
 
 				if self.valuation_method == "Moving Average":
-					rate = self.data[self.args.warehouse].previous_sle.valuation_rate
+					rate = flt(self.data[self.args.warehouse].previous_sle.valuation_rate)
 				else:
 					rate = get_rate_for_return(
 						sle.voucher_type,