diff --git a/app/lib/common-libs/crypto/keyring.ts b/app/lib/common-libs/crypto/keyring.ts
index f4db4b383dec7902215f36a88cacfdd1d175591d..9f9f31e741aa5827d183d22af89ec33d2c7fbf0c 100644
--- a/app/lib/common-libs/crypto/keyring.ts
+++ b/app/lib/common-libs/crypto/keyring.ts
@@ -72,8 +72,8 @@ export function randomKey() {
   }
   const keypair = nacl.sign.keyPair.fromSeed(byteseed)
   return new Key(
-    Base58encode(keypair.publicKey),
-    Base58encode(keypair.secretKey)
+    Base58encode(new Buffer(keypair.publicKey)),
+    Base58encode(new Buffer(keypair.secretKey))
   )
 }