diff --git a/ledgerblue/derivePassphrase.py b/ledgerblue/derivePassphrase.py
index c435ea0..0980f24 100644
--- a/ledgerblue/derivePassphrase.py
+++ b/ledgerblue/derivePassphrase.py
@@ -21,6 +21,7 @@ from .comm import getDongle
 import argparse
 import getpass
 import unicodedata
+import sys
 
 def auto_int(x):
     return int(x, 0)
@@ -33,6 +34,8 @@ args = parser.parse_args()
 dongle = getDongle(False)
 
 passphrase = getpass.getpass("Enter BIP39 passphrase : ")
+if isinstance(passphrase, bytes):
+	passphrase = passphrase.decode(sys.stdin.encoding)
 if len(passphrase) != 0:
 	if args.persistent:
 		p1 = 0x02
diff --git a/setup.py b/setup.py
index 731351e..ca89cce 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@ import os
 here = dirname(__file__)
 setup(
     name='ledgerblue',
-    version='0.1.9',
+    version='0.1.10',
     author='Ledger',
     author_email='hello@ledger.fr',
     description='Python library to communicate with Ledger Blue/Nano S',