diff --git a/plugins/trezor/plugin.py b/plugins/trezor/plugin.py
index 74a52a6e2..3485bd481 100644
--- a/plugins/trezor/plugin.py
+++ b/plugins/trezor/plugin.py
@@ -97,8 +97,7 @@ class TrezorCompatiblePlugin(HW_PluginBase):
             pair = [device.path, None]
 
         try:
-            from trezorlib.transport_hid import HidTransport
-            return HidTransport(pair)
+            return self.HidTransport(pair)
         except BaseException as e:
             raise
             self.print_error("cannot connect at", device.path, str(e))
@@ -108,8 +107,7 @@ class TrezorCompatiblePlugin(HW_PluginBase):
         self.print_error("Trying to connect over Trezor Bridge...")
 
         try:
-            from trezorlib.transport_bridge import BridgeTransport
-            return BridgeTransport({'path': hexlify(device.path)})
+            return self.BridgeTransport({'path': hexlify(device.path)})
         except BaseException as e:
             self.print_error("cannot connect to bridge", str(e))
             return None
diff --git a/plugins/trezor/trezor.py b/plugins/trezor/trezor.py
index e72be787d..683b9e05c 100644
--- a/plugins/trezor/trezor.py
+++ b/plugins/trezor/trezor.py
@@ -14,7 +14,8 @@ class TrezorPlugin(TrezorCompatiblePlugin):
         from .client import TrezorClient as client_class
         import trezorlib.ckd_public as ckd_public
         from trezorlib.client import types
-        from trezorlib.transport_hid import DEVICE_IDS
+        from trezorlib.transport_hid import HidTransport, DEVICE_IDS
+        from trezorlib.transport_bridge import BridgeTransport
         libraries_available = True
     except ImportError:
         libraries_available = False