diff --git a/lib/transaction.py b/lib/transaction.py
index 09568f92c..f280759ed 100644
--- a/lib/transaction.py
+++ b/lib/transaction.py
@@ -452,7 +452,8 @@ def parse_input(vds):
     d = {}
     prevout_hash = hash_encode(vds.read_bytes(32))
     prevout_n = vds.read_uint32()
-    d['scriptSig'] = scriptSig = vds.read_bytes(vds.read_compact_size())
+    scriptSig = vds.read_bytes(vds.read_compact_size())
+    d['scriptSig'] = scriptSig.encode('hex')
     sequence = vds.read_uint32()
     if prevout_hash == '00'*32:
         d['is_coinbase'] = True
diff --git a/plugins/trezor.py b/plugins/trezor.py
index 77792a5a1..273507b0e 100644
--- a/plugins/trezor.py
+++ b/plugins/trezor.py
@@ -321,7 +321,7 @@ class TrezorWallet(NewWallet):
             txinputtype.prev_index = prev_index
 
             if 'scriptSig' in txinput:
-                script_sig = txinput['scriptSig']
+                script_sig = txinput['scriptSig'].decode('hex')
                 txinputtype.script_sig = script_sig
 
             if 'sequence' in txinput: