diff --git a/python/.changelog.d/1668.changed b/python/.changelog.d/1668.changed
new file mode 100644
index 0000000000..a06c1300cf
--- /dev/null
+++ b/python/.changelog.d/1668.changed
@@ -0,0 +1 @@
+`UdpTransport.wait_until_ready` no longer sets socket to nonblocking
diff --git a/python/src/trezorlib/transport/udp.py b/python/src/trezorlib/transport/udp.py
index 447ae24986..335e194346 100644
--- a/python/src/trezorlib/transport/udp.py
+++ b/python/src/trezorlib/transport/udp.py
@@ -91,7 +91,6 @@ class UdpTransport(ProtocolBasedTransport):
     def wait_until_ready(self, timeout: float = 10) -> None:
         try:
             self.open()
-            self.socket.settimeout(0)
             start = time.monotonic()
             while True:
                 if self._ping():