diff --git a/powerwall.sh b/powerwall.sh
index 2869f8d0..16cc166e 100755
--- a/powerwall.sh
+++ b/powerwall.sh
@@ -18,7 +18,7 @@ VERBOSE=false
 CHECKTEMP(){
 	[ "${1}" != "" ] && SENSORS=("${1}") || SENSORS=${SENSOR_ID[@]}
 	
-	for SENSOR in ${SENSORS[@]}; do
+	for SENSOR in ${!SENSORS[@]}; do
 		echo "HERE: $SENSOR"
 	done