diff --git a/lib/transaction.py b/lib/transaction.py
index 7c06b071..658ff593 100644
--- a/lib/transaction.py
+++ b/lib/transaction.py
@@ -363,7 +363,7 @@ def parse_redeemScript(s):
     op_n = opcodes.OP_1 + n - 1
     match_multisig = [ op_m ] + [opcodes.OP_PUSHDATA4]*n + [ op_n, opcodes.OP_CHECKMULTISIG ]
     if not match_decoded(dec2, match_multisig):
-        print_error("cannot find address in input script", bh2u(_bytes))
+        print_error("cannot find address in input script", bh2u(s))
         return
     x_pubkeys = [bh2u(x[1]) for x in dec2[1:-2]]
     pubkeys = [safe_parse_pubkey(x) for x in x_pubkeys]