diff --git a/electrum_dash/plugins/trezor/trezor.py b/electrum_dash/plugins/trezor/trezor.py
index cd6a64a1e..1df29aad8 100644
--- a/electrum_dash/plugins/trezor/trezor.py
+++ b/electrum_dash/plugins/trezor/trezor.py
@@ -379,7 +379,7 @@ def tx_inputs(self, tx: Transaction, *, for_sig=False, keystore: 'TrezorKeyStore
                 if txin.script_sig.startswith(b"\xc4") and txin.nsequence == 0xffffffff:
                     prev_index = 1
                 else:
-                    prev_index = txin.nsequence
+                    prev_index = txin.prevout.out_idx
             else:
                 if for_sig:
                     assert isinstance(tx, PartialTransaction)