diff --git a/MK3_Firmware/include/TimeSystem.h b/MK3_Firmware/include/TimeSystem.h
index e6d2009..a10c2b1 100644
--- a/MK3_Firmware/include/TimeSystem.h
+++ b/MK3_Firmware/include/TimeSystem.h
@@ -2,7 +2,7 @@
 #define TIME_SYSTEM_H
 
 #include <Arduino.h>
-#include <Time.h>
+#include <TimeLib.h>
 
 /*
 ** Simple helper functions to change and get time
diff --git a/MK3_Firmware/src/App.cpp b/MK3_Firmware/src/App.cpp
index 0bf4b5b..f9ff8dd 100644
--- a/MK3_Firmware/src/App.cpp
+++ b/MK3_Firmware/src/App.cpp
@@ -206,10 +206,11 @@ void Application::Lighting()
 
 void Application::Heating()
 {
-	float temperature = GetCurrentTemperature();
+	float temperature;
+	xQueuePeek(temperatureQueue, &temperature, 0);
 
-	static uint64_t first_try = 0;
-	if (temperature == -1) // if there is a problem with the temperature
+	static unsigned long first_try = 0;
+	if (temperature <= -1) // if there is a problem with the temperature
 	{
 		// stores the timing of the first reading problem
 		if (first_try == 0)
diff --git a/MK3_Firmware/src/Scenes/SceneMainMenu.cpp b/MK3_Firmware/src/Scenes/SceneMainMenu.cpp
index d76a0c1..e74691b 100644
--- a/MK3_Firmware/src/Scenes/SceneMainMenu.cpp
+++ b/MK3_Firmware/src/Scenes/SceneMainMenu.cpp
@@ -108,7 +108,7 @@ void	SceneMainMenu::DrawTemperature(uint16_t x, uint16_t y, float temperature)
 	app->Graphics.DrawImage(Sprites::thermometer_32x32, x, y, 32, 32);
 
 	app->Graphics.Screen.setCursor(x + 26, y + 6);
-	if (temperature - DataSaveLoad::ReadThermometerAdjustement() != -1)
+	if (temperature != -1)
 		app->Graphics.Screen.printf("%.1f°C", temperature);
 	else
 		app->Graphics.Screen.printf(". . . . °C");
diff --git a/MK3_Firmware/src/Tasks/TaskThermometer.cpp b/MK3_Firmware/src/Tasks/TaskThermometer.cpp
index 64cf1cc..b2e7808 100644
--- a/MK3_Firmware/src/Tasks/TaskThermometer.cpp
+++ b/MK3_Firmware/src/Tasks/TaskThermometer.cpp
@@ -53,7 +53,7 @@ void		ThermometerTask(void *parameter)
 			if (tempC == -1)
 				DS18B20Temp.StartDevice();
 
-			if (tempC < -1)
+			if (tempC < -1 || tempC == 85) //85°C is VCC disconnected
 				tempC = -1; // sometime gets -127 for some reason
 
 			// Send temperature to Queue