diff --git a/test/test_device.py b/test/test_device.py
index b61e3226d..4b7a9b1e0 100644
--- a/test/test_device.py
+++ b/test/test_device.py
@@ -535,6 +535,10 @@ def test_big_tx(self):
                 self.fail('Big tx did not cause CLI to error')
             if self.emulator.type == 'coldcard':
                 self.assertEqual(result['code'], -7)
+            elif self.emulator.type in ('trezor_1', 'trezor_t'):
+                # Trezor rejects to sign as inputs do not correspond to the wallet's private keys
+                self.assertEqual(result['code'], -13)
+                self.assertIn('Input does not match scriptPubKey', result['error'])
             else:
                 self.assertNotIn('code', result)
                 self.assertNotIn('error', result)