diff --git a/erpnext/manufacturing/doctype/bom/bom.py b/erpnext/manufacturing/doctype/bom/bom.py
index 399eb5a08796..560019a86d55 100644
--- a/erpnext/manufacturing/doctype/bom/bom.py
+++ b/erpnext/manufacturing/doctype/bom/bom.py
@@ -641,6 +641,18 @@ def calculate_rm_cost(self, save=False):
 		base_total_rm_cost = 0
 
 		for d in self.get("items"):
+			d.rate = self.get_rm_rate(
+				{
+					"company": self.company,
+					"item_code": d.item_code,
+					"bom_no": d.bom_no,
+					"qty": d.qty,
+					"uom": d.uom,
+					"stock_uom": d.stock_uom,
+					"conversion_factor": d.conversion_factor,
+					"sourced_by_supplier": d.sourced_by_supplier,
+				}
+			)
 			d.base_rate = flt(d.rate) * flt(self.conversion_rate)
 			d.amount = flt(d.rate, d.precision("rate")) * flt(d.qty, d.precision("qty"))
 			d.base_amount = d.amount * flt(self.conversion_rate)