diff --git a/ESPtermostat.ino b/ESPtermostat.ino
index 2c994bf..7e1acf0 100644
--- a/ESPtermostat.ino
+++ b/ESPtermostat.ino
@@ -27,7 +27,7 @@ String metrics;
 bool heating;
 float reqTemp = 21.5;
 float offset = 0.25;
-float correction[3] = {CORRECTION1, CORRECTION2, CORRECTION3};
+float correction[6] = {CORRECTION1, CORRECTION2, CORRECTION3, CORRECTION4, CORRECTION5, CORRECTION6};
 
 //=================================
 
@@ -179,8 +179,8 @@ void readSensor() {
   uint8_t ds18Count = sensor.getDS18Count();
   float tempC[ds18Count];
   float temperature[ds18Count];
-  float avgTemperature;
   int savedTemperatures = 0;
+  avgTemperature = 0;
 
   for (int i = 0; i < ds18Count; i++) {
     tempC[i] = sensor.getTempCByIndex(i);
@@ -193,13 +193,13 @@ void readSensor() {
 
   avgTemperature = avgTemperature / savedTemperatures;
 
-  metrics = getMetricsVar(temperature, tempC);
+  metrics = getMetricsVar(ds18Count, temperature, tempC);
 
 }
 
-String getMetricsVar(float temperature[], float tempC[]) {
+String getMetricsVar(uint8_t ds18Count, float temperature[], float tempC[]) {
   metrics = "temp{device=\"";
-  for (int i = 0; i < sizeof(temperature) - 1 ; i++) {
+  for (uint8_t i = 0; i < ds18Count; i++) {
     if (i != 0) {
       metrics += "\ntemp{device=\"";
     }
@@ -207,7 +207,7 @@ String getMetricsVar(float temperature[], float tempC[]) {
     metrics += "\"} ";
     metrics += temperature[i];
   }
-  for (int i = 0; i < sizeof(tempC) - 1; i++) {
+  for (uint8_t i = 0; i < ds18Count; i++) {
     metrics += "\nraw_temp{device=\"";
     metrics += i;
     metrics += "\"} ";