diff --git a/erpnext/controllers/taxes_and_totals.py b/erpnext/controllers/taxes_and_totals.py
index 933090d..d9bac98 100644
--- a/erpnext/controllers/taxes_and_totals.py
+++ b/erpnext/controllers/taxes_and_totals.py
@@ -371,14 +371,14 @@
 		return grand_total_for_discount_amount
 
 
-	def calculate_total_advance(self, parenttype, advance_parentfield):
-		if self.docstatus < 2:
+	def calculate_total_advance(self):
+		if self.doc.docstatus < 2:
 			sum_of_allocated_amount = sum([flt(adv.allocated_amount, self.doc.precision("allocated_amount", adv))
 				for adv in self.doc.get("advances")])
 
 			self.doc.total_advance = flt(sum_of_allocated_amount, self.doc.precision("total_advance"))
 
-			if self.docstatus == 0:
+			if self.doc.docstatus == 0:
 				self.calculate_outstanding_amount()
 
 	def calculate_outstanding_amount(self):
diff --git a/erpnext/stock/stock_ledger.py b/erpnext/stock/stock_ledger.py
index a4c54b4..7340baf 100644
--- a/erpnext/stock/stock_ledger.py
+++ b/erpnext/stock/stock_ledger.py
@@ -151,19 +151,19 @@
 		if sle.serial_no:
 			self.valuation_rate = self.get_serialized_values(sle)
 			self.qty_after_transaction += flt(sle.actual_qty)
-			self.stock_value = self.qty_after_transaction * self.valuation_rate
+			self.stock_value = flt(self.qty_after_transaction) * flt(self.valuation_rate)
 		else:
 			if sle.voucher_type=="Stock Reconciliation":
 				# assert
 				self.valuation_rate = sle.valuation_rate
 				self.qty_after_transaction = sle.qty_after_transaction
 				self.stock_queue = [[self.qty_after_transaction, self.valuation_rate]]
-				self.stock_value = self.qty_after_transaction * self.valuation_rate
+				self.stock_value = flt(self.qty_after_transaction) * flt(self.valuation_rate)
 			else:
 				if self.valuation_method == "Moving Average":
 					self.get_moving_average_values(sle)
 					self.qty_after_transaction += flt(sle.actual_qty)
-					self.stock_value = self.qty_after_transaction * self.valuation_rate
+					self.stock_value = flt(self.qty_after_transaction) * flt(self.valuation_rate)
 				else:
 					self.get_fifo_values(sle)
 					self.qty_after_transaction += flt(sle.actual_qty)
@@ -181,7 +181,8 @@
 		sle.valuation_rate = self.valuation_rate
 		sle.stock_queue = json.dumps(self.stock_queue)
 		sle.stock_value_difference = stock_value_difference
-		sle.save()
+		sle.doctype="Stock Ledger Entry"
+		frappe.get_doc(sle).db_update()
 
 	def validate_negative_stock(self, sle):
 		"""