diff --git a/tests/test_signtx.py b/tests/test_signtx.py
index 1717486869..73322423c7 100644
--- a/tests/test_signtx.py
+++ b/tests/test_signtx.py
@@ -2,7 +2,7 @@ import unittest
 import common
 import binascii
 
-import bitkeylib.bitkey_pb2 as proto
+import bitkeylib.trezor_pb2 as proto
 
 '''
 ./electrum -w ~/.electrum-bitkey mktx 1FQVPnjrbkPWeA8poUoEnX9U3n9DyhAVtv 0.001