diff --git a/createtx_test.go b/createtx_test.go
index 23f1e49..5e5b8e1 100644
--- a/createtx_test.go
+++ b/createtx_test.go
@@ -9,6 +9,12 @@ import (
 	"testing"
 )
 
+func init() {
+	cfg = &config{
+		KeypoolSize: 100,
+	}
+}
+
 type allowFreeTest struct {
 	name      string
 	inputs    []*tx.Utxo
@@ -68,7 +74,7 @@ func TestAllowFree(t *testing.T) {
 func TestFakeTxs(t *testing.T) {
 	// First we need a wallet.
 	w, err := wallet.NewWallet("banana wallet", "", []byte("banana"),
-		btcwire.MainNet, &wallet.BlockStamp{})
+		btcwire.MainNet, &wallet.BlockStamp{}, 100)
 	if err != nil {
 		t.Errorf("Can not create encrypted wallet: %s", err)
 		return
@@ -84,7 +90,7 @@ func TestFakeTxs(t *testing.T) {
 	// This will pass validation because btcscript is unaware of invalid
 	// tx inputs, however, this example would fail in btcd.
 	utxo := &tx.Utxo{}
-	addr, err := w.NextChainedAddress(&wallet.BlockStamp{})
+	addr, err := w.NextChainedAddress(&wallet.BlockStamp{}, 100)
 	if err != nil {
 		t.Errorf("Cannot get next address: %s", err)
 		return