diff --git a/stock/doctype/stock_entry_detail/stock_entry_detail.txt b/stock/doctype/stock_entry_detail/stock_entry_detail.txt
index 1d2408bf88b..50b7154a0ef 100644
--- a/stock/doctype/stock_entry_detail/stock_entry_detail.txt
+++ b/stock/doctype/stock_entry_detail/stock_entry_detail.txt
@@ -253,7 +253,8 @@
 		'no_copy': 1,
 		'oldfieldname': 'serial_no',
 		'oldfieldtype': 'Text',
-		'permlevel': 0
+		'permlevel': 0,
+		'reqd': 0
 	},
 
 	# DocField
@@ -280,4 +281,4 @@
 		'oldfieldtype': 'Currency',
 		'permlevel': 1
 	}
-]
\ No newline at end of file
+]