diff --git a/electrum/plugins/trezor/clientbase.py b/electrum/plugins/trezor/clientbase.py
index ed0d7b14c..e31abaa1e 100644
--- a/electrum/plugins/trezor/clientbase.py
+++ b/electrum/plugins/trezor/clientbase.py
@@ -147,7 +147,7 @@ class TrezorClientBase(PrintError):
         else:
             msg = _("Confirm on your {} device to set a PIN")
         with self.run_flow(msg):
-            trezorlib.device.change_pin(remove)
+            trezorlib.device.change_pin(self.client, remove)
 
     def clear_session(self):
         '''Clear the session to force pin (and passphrase if enabled)