diff --git a/item_funcs.go b/item_funcs.go
index 1a083bd..1205c60 100644
--- a/item_funcs.go
+++ b/item_funcs.go
@@ -267,7 +267,7 @@ func (i *Item) SetSecret(secret *Secret) (err error) {
 	var call *dbus.Call
 
 	if call = i.Dbus.Call(
-		DbusItemSetSecret, 0,
+		DbusItemSetSecret, 0, secret,
 	); call.Err != nil {
 		err = call.Err
 		return