diff --git a/erpnext/stock/doctype/stock_entry/stock_entry.py b/erpnext/stock/doctype/stock_entry/stock_entry.py
index 4d96e5446763..8d6e93fa8c50 100644
--- a/erpnext/stock/doctype/stock_entry/stock_entry.py
+++ b/erpnext/stock/doctype/stock_entry/stock_entry.py
@@ -2271,7 +2271,7 @@ def move_sample_to_retention_warehouse(company, items):
 						"basic_rate": item.get("valuation_rate"),
 						"uom": item.get("uom"),
 						"stock_uom": item.get("stock_uom"),
-						"conversion_factor": 1.0,
+						"conversion_factor": item.get("conversion_factor") or 1.0,
 						"serial_no": sample_serial_nos,
 						"batch_no": item.get("batch_no"),
 					},