diff --git a/kernel/model/transaction.go b/kernel/model/transaction.go
index 59ded3ac4..b45ebbe3f 100644
--- a/kernel/model/transaction.go
+++ b/kernel/model/transaction.go
@@ -1745,7 +1745,6 @@ func (tx *Transaction) doSetAttrs(operation *Operation) (ret *TxErr) {
 	}
 
 	for name, value := range attrs {
-		name := strings.ToLower(name)
 		if "" == value {
 			node.RemoveIALAttr(name)
 		} else {