diff --git a/universal_silabs_flasher/router.py b/universal_silabs_flasher/router.py
index 38edfd1..024fb2e 100644
--- a/universal_silabs_flasher/router.py
+++ b/universal_silabs_flasher/router.py
@@ -69,7 +69,7 @@ def data_received(self, data: bytes) -> None:
         while self._buffer:
             _LOGGER.debug("Parsing %s: %r", self._state_machine.state, self._buffer)
             if self._state_machine.state == State.STARTUP:
-                if b"\n>" not in self._buffer:
+                if b">" not in self._buffer:
                     return
 
                 self._buffer.clear()