diff --git a/bitcoin/sign.go b/bitcoin/sign.go
index 37a1d50..81e1d6a 100644
--- a/bitcoin/sign.go
+++ b/bitcoin/sign.go
@@ -6,9 +6,10 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
-	"github.com/btcsuite/btcd/chaincfg"
 	"time"
 
+	"github.com/btcsuite/btcd/chaincfg"
+
 	"github.com/OpenBazaar/spvwallet"
 	wi "github.com/OpenBazaar/wallet-interface"
 	"github.com/btcsuite/btcd/blockchain"
@@ -297,10 +298,13 @@ func (w *BitcoinWallet) sweepAddress(ins []wi.TransactionInput, address *btc.Add
 	// Sign tx
 	privKey, err := key.ECPrivKey()
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("retrieving private key: %s", err.Error())
 	}
 	pk := privKey.PubKey().SerializeCompressed()
 	addressPub, err := btc.NewAddressPubKey(pk, w.params)
+	if err != nil {
+		return nil, fmt.Errorf("generating address pub key: %s", err.Error())
+	}
 
 	getKey := txscript.KeyClosure(func(addr btc.Address) (*btcec.PrivateKey, bool, error) {
 		if addressPub.EncodeAddress() == addr.EncodeAddress() {
diff --git a/bitcoincash/sign.go b/bitcoincash/sign.go
index b6721da..d040c2b 100644
--- a/bitcoincash/sign.go
+++ b/bitcoincash/sign.go
@@ -5,9 +5,10 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
-	"github.com/btcsuite/btcd/chaincfg"
 	"time"
 
+	"github.com/btcsuite/btcd/chaincfg"
+
 	"github.com/OpenBazaar/spvwallet"
 	wi "github.com/OpenBazaar/wallet-interface"
 	"github.com/btcsuite/btcd/blockchain"
@@ -303,10 +304,13 @@ func (w *BitcoinCashWallet) sweepAddress(ins []wi.TransactionInput, address *btc
 	// Sign tx
 	privKey, err := key.ECPrivKey()
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("retrieving private key: %s", err.Error())
 	}
 	pk := privKey.PubKey().SerializeCompressed()
 	addressPub, err := btc.NewAddressPubKey(pk, w.params)
+	if err != nil {
+		return nil, fmt.Errorf("generating address pub key: %s", err.Error())
+	}
 
 	getKey := txscript.KeyClosure(func(addr btc.Address) (*btcec.PrivateKey, bool, error) {
 		if addressPub.EncodeAddress() == addr.EncodeAddress() {
diff --git a/litecoin/sign.go b/litecoin/sign.go
index e64b799..e3eb0ec 100644
--- a/litecoin/sign.go
+++ b/litecoin/sign.go
@@ -6,9 +6,10 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
-	"github.com/btcsuite/btcd/chaincfg"
 	"time"
 
+	"github.com/btcsuite/btcd/chaincfg"
+
 	"github.com/OpenBazaar/spvwallet"
 	wi "github.com/OpenBazaar/wallet-interface"
 	"github.com/btcsuite/btcd/blockchain"
@@ -302,10 +303,13 @@ func (w *LitecoinWallet) sweepAddress(ins []wi.TransactionInput, address *btc.Ad
 	// Sign tx
 	privKey, err := key.ECPrivKey()
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("retrieving private key: %s", err.Error())
 	}
 	pk := privKey.PubKey().SerializeCompressed()
 	addressPub, err := btc.NewAddressPubKey(pk, w.params)
+	if err != nil {
+		return nil, fmt.Errorf("generating address pub key: %s", err.Error())
+	}
 
 	getKey := txscript.KeyClosure(func(addr btc.Address) (*btcec.PrivateKey, bool, error) {
 		if addressPub.EncodeAddress() == addr.EncodeAddress() {