diff --git a/lib/bitcoin.py b/lib/bitcoin.py
index 829426338..0822a2284 100644
--- a/lib/bitcoin.py
+++ b/lib/bitcoin.py
@@ -835,6 +835,6 @@ def bip32_private_key(sequence, k, chain):
 
 def xkeys_from_seed(seed, passphrase, derivation):
     from mnemonic import Mnemonic
-    xprv, xpub = bip32_root(Mnemonic.mnemonic_to_seed(seed, passphrase))
+    xprv, xpub = bip32_root(Mnemonic.mnemonic_to_seed(seed, passphrase), 0)
     xprv, xpub = bip32_private_derivation(xprv, "m/", derivation)
     return xprv, xpub