diff --git a/toLineProtocol.sh b/toLineProtocol.sh
index 850aab8..23f5090 100755
--- a/toLineProtocol.sh
+++ b/toLineProtocol.sh
@@ -35,14 +35,13 @@
 # TODO:
 #  - check if CSV export is in UTC ?
 
-SRC_FILE="${1:-/dev/stdin}"
+SRC_FILE=${1:-/dev/stdin}
 
-DATABASE=feinstaub
-SENSOR_ID=16229960
+DATABASE=${INFLUX_DATABASE:-feinstaub}
+SENSOR_ID=${SENSOR_ID:-16229960}
 
 NODE=esp8266-$SENSOR_ID
 
-
 STRIP_CSV_HEADERS="tail -n +2"
 
 cat $SRC_FILE                                                       \