diff --git a/erpnext/stock/doctype/material_request/material_request.py b/erpnext/stock/doctype/material_request/material_request.py
index cf61f9657f4a..159fd32c1230 100644
--- a/erpnext/stock/doctype/material_request/material_request.py
+++ b/erpnext/stock/doctype/material_request/material_request.py
@@ -223,12 +223,13 @@ def update_completed_qty(self, mr_items=None, update_modified=True):
 		mr_qty_allowance = frappe.db.get_single_value("Stock Settings", "mr_qty_allowance")
 
 		for d in self.get("items"):
+			precision = d.precision("ordered_qty")
 			if d.name in mr_items:
 				if self.material_request_type in ("Material Issue", "Material Transfer", "Customer Provided"):
 					d.ordered_qty = flt(mr_items_ordered_qty.get(d.name))
 
 					if mr_qty_allowance:
-						allowed_qty = flt((d.qty + (d.qty * (mr_qty_allowance / 100))), d.precision("ordered_qty"))
+						allowed_qty = flt((d.qty + (d.qty * (mr_qty_allowance / 100))), precision)
 
 						if d.ordered_qty and d.ordered_qty > allowed_qty:
 							frappe.throw(
@@ -237,11 +238,11 @@ def update_completed_qty(self, mr_items=None, update_modified=True):
 								).format(d.ordered_qty, d.parent, allowed_qty, d.item_code)
 							)
 
-					elif d.ordered_qty and d.ordered_qty > d.stock_qty:
+					elif d.ordered_qty and flt(d.ordered_qty, precision) > flt(d.stock_qty, precision):
 						frappe.throw(
 							_(
 								"The total Issue / Transfer quantity {0} in Material Request {1} cannot be greater than requested quantity {2} for Item {3}"
-							).format(d.ordered_qty, d.parent, d.qty, d.item_code)
+							).format(d.ordered_qty, d.parent, d.stock_qty, d.item_code)
 						)
 
 				elif self.material_request_type == "Manufacture":