diff --git a/powerwall.sh b/powerwall.sh
index 07ad5ffa..0f3c7f6e 100755
--- a/powerwall.sh
+++ b/powerwall.sh
@@ -16,7 +16,7 @@ VERBOSE=false
 #ssh root@10.5.10.35 '/vmfs/volumes/NFS_ESXi-Vault/esxi-shutdown.sh > /dev/null 2>&1' & > /dev/null 2>&1
 
 CHECKTEMP(){
-	[ "${1}" != "" ] && SENSORS["${1}"]=1 || SENSORS=${SENSOR_ID[@]}
+	[ "${1}" != "" ] && SENSORS["${1}"]=1 || SENSORS=${!SENSOR_ID[@]}
 	for x in "${!SENSOR_ID[@]}"; do printf "[%s]=%s\n" "$x" "${SENSOR_ID[$x]}" ; done
 	for x in "${!SENSORS[@]}"; do printf "[%s]=%s\n" "$x" "${SENSORS[$x]}" ; done