diff --git a/electrum/plugins/trezor/trezor.py b/electrum/plugins/trezor/trezor.py
index 9dbfd5cac..03aa61f3d 100644
--- a/electrum/plugins/trezor/trezor.py
+++ b/electrum/plugins/trezor/trezor.py
@@ -160,6 +160,11 @@ class TrezorPlugin(HW_PluginBase):
 
     @runs_in_hwd_thread
     def enumerate(self):
+        # Set lower timeout for UDP enumeration (used for emulator).
+        # The default of 10 sec is very long, and I often hit it for some reason on Windows (no emu running),
+        # blocking the whole enumeration.
+        from trezorlib.transport.udp import UdpTransport
+        trezorlib.transport.udp.SOCKET_TIMEOUT = 1
         # If there is a bridge, prefer that.
         # On Windows, the bridge runs as Admin (and Electrum usually does not),
         # so the bridge has better chances of finding devices. see #5420