diff --git a/src/main.rs b/src/main.rs
index 54935db..ee3eecc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -49,7 +49,7 @@ use usb_device::{bus::UsbBus as UsbBusTrait, bus::UsbBusAllocator, prelude::*};
 
 use usbd_serial::{SerialPort, USB_CLASS_CDC};
 
-const HYSTERESIS: u16 = 5;
+const HYSTERESIS: u16 = 10;
 
 const PEAK_TEMPERATURE: u16 = 240;
 
@@ -260,8 +260,8 @@ fn main() -> ! {
             let mut bytes: [u8; 7] = [32, 32, 32, 32, 194, 176, 67];
             let text = match thermocouple.read_temperature(&mut timer.count_down()) {
                 Ok(mut temperature) => {
-                    current_temperature = Some(temperature);
                     temperature >>= 2;
+                    current_temperature = Some(temperature);
 
                     for i in (0..3).rev() {
                         bytes[i] = 48u8 + (temperature % 10) as u8;
@@ -322,7 +322,7 @@ fn main() -> ! {
                             relay.set_high().unwrap();
                         } else if temperature > PREHEAT_TEMPERATURE + HYSTERESIS * 2 {
                             state = State::Reflow;
-                        } else if temperature > PREHEAT_TEMPERATURE + HYSTERESIS {
+                        } else if temperature > PREHEAT_TEMPERATURE {
                             relay.set_low().unwrap();
                         }
                     }