diff --git a/chain/wallet/multi.go b/chain/wallet/multi.go
index 532ad217b..5b603dbd5 100644
--- a/chain/wallet/multi.go
+++ b/chain/wallet/multi.go
@@ -90,7 +90,7 @@ func (m MultiWallet) WalletHas(ctx context.Context, address address.Address) (bo
 }
 
 func (m MultiWallet) WalletList(ctx context.Context) ([]address.Address, error) {
-	var out []address.Address
+	out := make([]address.Address, 0)
 	seen := map[address.Address]struct{}{}
 
 	ws := nonNil(m.Remote, m.Ledger, m.Local)
diff --git a/lotuspond/front/src/chain/send.js b/lotuspond/front/src/chain/send.js
index a0fc89437..c0d36b0a3 100644
--- a/lotuspond/front/src/chain/send.js
+++ b/lotuspond/front/src/chain/send.js
@@ -30,7 +30,7 @@ async function pushMessage(client, from, inmsg) {
 
     console.log(inmsg)
 
-    await client.call('Filecoin.MpoolPushMessage', [inmsg])
+    await client.call('Filecoin.MpoolPushMessage', [inmsg, null])
 }
 
 export default pushMessage