diff --git a/pkg/temperature/ds18b20.go b/pkg/temperature/ds18b20.go
index 404e140..2439ddd 100644
--- a/pkg/temperature/ds18b20.go
+++ b/pkg/temperature/ds18b20.go
@@ -167,7 +167,10 @@ func readSensors(hub *sentry.Hub) {
 		metrics.TemperatureSensorReadingStatus.WithLabelValues(sensor.Name, "ok").Inc()
 	}
 
-	Reading <- r
+	select {
+	case Reading <- r:
+	default:
+	}
 }
 
 func triggerBulkRead() error {