diff --git a/klippy/extras/bme280.py b/klippy/extras/bme280.py
index 491f892f..bf6c7b91 100644
--- a/klippy/extras/bme280.py
+++ b/klippy/extras/bme280.py
@@ -38,6 +38,8 @@ class BME280:
         self.dig = None
         self.sample_timer = self.reactor.register_timer(self._sample_bme280)
         self.printer.add_object("bme280 " + self.name, self)
+        if self.printer.get_start_args().get('debugoutput') is not None:
+            return
         self.printer.register_event_handler("klippy:connect",
                                             self.handle_connect)