diff --git a/example/dummy/dummy.go b/example/dummy/dummy.go
index 9bed4089..80c1ad9d 100644
--- a/example/dummy/dummy.go
+++ b/example/dummy/dummy.go
@@ -14,10 +14,7 @@ type DummyApplication struct {
 }
 
 func NewDummyApplication() *DummyApplication {
-	state := merkle.NewIAVLTree(
-		0,
-		nil,
-	)
+	state := merkle.NewIAVLTree(0, ".", nil)
 	return &DummyApplication{state: state}
 }
 
diff --git a/example/dummy/persistent_dummy.go b/example/dummy/persistent_dummy.go
index 7fdb0a24..230e537a 100644
--- a/example/dummy/persistent_dummy.go
+++ b/example/dummy/persistent_dummy.go
@@ -36,10 +36,7 @@ func NewPersistentDummyApplication(dbDir string) *PersistentDummyApplication {
 	db := dbm.NewDB("dummy", "leveldb", dbDir)
 	lastBlock := LoadLastBlock(db)
 
-	stateTree := merkle.NewIAVLTree(
-		0,
-		db,
-	)
+	stateTree := merkle.NewIAVLTree(0, ".", db)
 	stateTree.Load(lastBlock.AppHash)
 
 	log.Notice("Loaded state", "block", lastBlock.BlockHeight, "root", stateTree.Hash())