diff --git a/chain/deals/handler.go b/chain/deals/handler.go
index 26016cbc0..a7ff46fe1 100644
--- a/chain/deals/handler.go
+++ b/chain/deals/handler.go
@@ -4,8 +4,8 @@ import (
 	"context"
 	"math"
 
+	"github.com/filecoin-project/go-lotus/api"
 	"github.com/filecoin-project/go-lotus/chain/address"
-	"github.com/filecoin-project/go-lotus/chain/wallet"
 	"github.com/filecoin-project/go-lotus/lib/sectorbuilder"
 	"github.com/filecoin-project/go-lotus/node/modules/dtypes"
 
@@ -35,8 +35,8 @@ type MinerDeal struct {
 }
 
 type Handler struct {
-	w  *wallet.Wallet
-	sb *sectorbuilder.SectorBuilder
+	sb   *sectorbuilder.SectorBuilder
+	full api.FullNode
 
 	// TODO: Use a custom protocol or graphsync in the future
 	// TODO: GC
@@ -60,7 +60,7 @@ type dealUpdate struct {
 	mut      func(*MinerDeal)
 }
 
-func NewHandler(w *wallet.Wallet, ds dtypes.MetadataDS, sb *sectorbuilder.SectorBuilder, dag dtypes.StagingDAG) (*Handler, error) {
+func NewHandler(ds dtypes.MetadataDS, sb *sectorbuilder.SectorBuilder, dag dtypes.StagingDAG, fullNode api.FullNode) (*Handler, error) {
 	addr, err := ds.Get(datastore.NewKey("miner-address"))
 	if err != nil {
 		return nil, err
@@ -71,9 +71,9 @@ func NewHandler(w *wallet.Wallet, ds dtypes.MetadataDS, sb *sectorbuilder.Sector
 	}
 
 	return &Handler{
-		w:   w,
 		sb:  sb,
 		dag: dag,
+		full: fullNode,
 
 		conns: map[cid.Cid]inet.Stream{},
 
diff --git a/chain/deals/handler_utils.go b/chain/deals/handler_utils.go
index 6ef7bc69e..a9bdeb0a9 100644
--- a/chain/deals/handler_utils.go
+++ b/chain/deals/handler_utils.go
@@ -1,13 +1,17 @@
 package deals
 
 import (
+	"context"
 	"runtime"
 
+	"github.com/filecoin-project/go-lotus/chain/actors"
+	"github.com/filecoin-project/go-lotus/chain/address"
+	"github.com/filecoin-project/go-lotus/chain/types"
 	"github.com/filecoin-project/go-lotus/lib/cborrpc"
-	cbor "github.com/ipfs/go-ipld-cbor"
-	inet "github.com/libp2p/go-libp2p-core/network"
 
 	"github.com/ipfs/go-cid"
+	cbor "github.com/ipfs/go-ipld-cbor"
+	inet "github.com/libp2p/go-libp2p-core/network"
 	"golang.org/x/xerrors"
 )
 
@@ -68,18 +72,21 @@ func (h *Handler) sendSignedResponse(resp StorageDealResponse) error {
 		return xerrors.Errorf("serializing response: %w", err)
 	}
 
-	def, err := h.w.ListAddrs()
-	if err != nil {
-		log.Error(err)
-		return xerrors.Errorf("listing wallet addresses: %w", err)
+	getworker := &types.Message{
+		To:     h.actor,
+		From:   h.actor,
+		Method: actors.MAMethods.GetWorkerAddr,
 	}
-	if len(def) != 1 {
-		// NOTE: If this ever happens for a good reason, implement this with GetWorker on the miner actor
-		// TODO: implement with GetWorker on the miner actor
-		return xerrors.Errorf("expected only 1 address in wallet, got %d", len(def))
+	r, err := h.full.ChainCall(context.TODO(), getworker, nil)
+	if err != nil {
+		return xerrors.Errorf("getting worker address: %w", err)
+	}
+	worker, err := address.NewFromBytes(r.Return)
+	if err != nil {
+		return err
 	}
 
-	sig, err := h.w.Sign(def[0], msg)
+	sig, err := h.full.WalletSign(context.TODO(), worker, msg)
 	if err != nil {
 		return xerrors.Errorf("failed to sign response message: %w", err)
 	}
diff --git a/node/builder.go b/node/builder.go
index dae50da06..97b260006 100644
--- a/node/builder.go
+++ b/node/builder.go
@@ -181,7 +181,6 @@ func Online() Option {
 		libp2p(),
 
 		// common
-		Override(new(*wallet.Wallet), wallet.NewWallet),
 
 		// Full node
 
@@ -191,6 +190,7 @@ func Online() Option {
 			Override(HandleIncomingMessagesKey, modules.HandleIncomingMessages),
 
 			Override(new(*store.ChainStore), modules.ChainStore),
+			Override(new(*wallet.Wallet), wallet.NewWallet),
 
 			Override(new(dtypes.ChainGCLocker), blockstore.NewGCLocker),
 			Override(new(dtypes.ChainGCBlockstore), modules.ChainGCBlockstore),