diff --git a/src/trie/sectriedbmut.rs b/src/trie/sectriedbmut.rs
index b0140582d..99c2e2bb1 100644
--- a/src/trie/sectriedbmut.rs
+++ b/src/trie/sectriedbmut.rs
@@ -22,8 +22,8 @@ impl<'db> SecTrieDBMut<'db> {
 
 	/// Create a new trie with the backing database `db` and `root`
 	/// Panics, if `root` does not exist
-	pub fn new_existing(db: &'db mut HashDB, root: &'db mut H256) -> Self {
-		SecTrieDBMut { raw: TrieDBMut::new_existing(db, root) }
+	pub fn from_existing(db: &'db mut HashDB, root: &'db mut H256) -> Self {
+		SecTrieDBMut { raw: TrieDBMut::from_existing(db, root) }
 	}
 }
 
diff --git a/src/trie/triedbmut.rs b/src/trie/triedbmut.rs
index a51e56a83..b866bc988 100644
--- a/src/trie/triedbmut.rs
+++ b/src/trie/triedbmut.rs
@@ -70,7 +70,7 @@ impl<'db> TrieDBMut<'db> {
 
 	/// Create a new trie with the backing database `db` and `root`
 	/// Panics, if `root` does not exist
-	pub fn new_existing(db: &'db mut HashDB, root: &'db mut H256) -> Self {
+	pub fn from_existing(db: &'db mut HashDB, root: &'db mut H256) -> Self {
 		assert!(db.exists(root));
 		TrieDBMut { 
 			db: db, 
@@ -1093,7 +1093,7 @@ mod tests {
 		}
 
 		{
-		 	let _ = TrieDBMut::new_existing(&mut db, &mut root);
+		 	let _ = TrieDBMut::from_existing(&mut db, &mut root);
 		}
 	}
 }