diff --git a/ESPtermostat.ino b/ESPtermostat.ino
index fbea8ff..1ecdc41 100644
--- a/ESPtermostat.ino
+++ b/ESPtermostat.ino
@@ -127,13 +127,13 @@ void setup() {
         String repply;
     
         if(request->hasParam("temp")) {
-          repply = temperature;
+          repply = String(temperature);
         }else if(request->hasParam("relay")){
-          repply = !digitalRead(RELAY_PIN);
+          repply = String(heating);
         }else if(THERMOSTAT && request->hasParam("reqtemp")){
-          repply = reqTemp;
+          repply = String(reqTemp);
         }else if(THERMOSTAT && request->hasParam("offset")) {
-          repply = offset;
+          repply = String(offset);
         }else{
           repply = "unknown parameter";
         }