diff --git a/lnwallet/btcwallet/blockchain.go b/lnwallet/btcwallet/blockchain.go
index f506a551..051b8fe6 100644
--- a/lnwallet/btcwallet/blockchain.go
+++ b/lnwallet/btcwallet/blockchain.go
@@ -26,8 +26,8 @@ func (b *BtcWallet) GetBestBlock() (*chainhash.Hash, int32, error) {
 // GetUtxo returns the original output referenced by the passed outpoint.
 //
 // This method is a part of the lnwallet.BlockChainIO interface.
-func (b *BtcWallet) GetUtxo(txid *chainhash.Hash, index uint32) (*wire.TxOut, error) {
-	txout, err := b.rpc.GetTxOut(txid, index, false)
+func (b *BtcWallet) GetUtxo(op *wire.OutPoint, _ uint32) (*wire.TxOut, error) {
+	txout, err := b.rpc.GetTxOut(&op.Hash, op.Index, false)
 	if err != nil {
 		return nil, err
 	} else if txout == nil {
diff --git a/lnwallet/interface.go b/lnwallet/interface.go
index 38abac62..3579cbad 100644
--- a/lnwallet/interface.go
+++ b/lnwallet/interface.go
@@ -209,9 +209,12 @@ type BlockChainIO interface {
 	// most-work chain the implementation is aware of.
 	GetBestBlock() (*chainhash.Hash, int32, error)
 
-	// GetTxOut returns the original output referenced by the passed
-	// outpoint.
-	GetUtxo(txid *chainhash.Hash, index uint32) (*wire.TxOut, error)
+	// GetUtxo attempts to return the passed outpoint if it's still a
+	// member of the utxo set. The passed height hint should be the "birth
+	// height" of the passed outpoint. In the case that the output is in
+	// the UTXO set, then the output corresponding to that output is
+	// returned.  Otherwise, a non-nil error will be returned.
+	GetUtxo(op *wire.OutPoint, heightHint uint32) (*wire.TxOut, error)
 
 	// GetTransaction returns the full transaction identified by the passed
 	// transaction ID.
diff --git a/lnwallet/wallet.go b/lnwallet/wallet.go
index fab81cf9..603697c4 100644
--- a/lnwallet/wallet.go
+++ b/lnwallet/wallet.go
@@ -978,8 +978,8 @@ func (l *LightningWallet) handleFundingCounterPartySigs(msg *addCounterPartySigs
 
 			// Fetch the alleged previous output along with the
 			// pkscript referenced by this input.
-			prevOut := txin.PreviousOutPoint
-			output, err := l.ChainIO.GetUtxo(&prevOut.Hash, prevOut.Index)
+			// TODO(roasbeef): when dual funder pass actual height-hint
+			output, err := l.ChainIO.GetUtxo(&txin.PreviousOutPoint, 0)
 			if output == nil {
 				msg.err <- fmt.Errorf("input to funding tx "+
 					"does not exist: %v", err)