diff --git a/src/display.c b/src/display.c
--- a/src/display.c
+++ b/src/display.c
@@ -39,15 +39,17 @@ static uint8_t reset_mode = RESET_REBOOT
 
 
 // Display state machine
-void display_process(therm_status_t* status)
+void display_process(void)
 {
+	therm_status_t* status = runtime_status();
 	therm_settings_t* set = flash_getsettings();
+
+
     uint8_t state_changed = status->state != last_state;
     last_state = status->state;
     
-    uint8_t temp_changed = status->temp != last_temp || status->temp_frac != last_temp_frac;
+    uint8_t temp_changed = status->temp != last_temp;
     last_temp = status->temp;
-    last_temp_frac = status->temp_frac;
 
     uint8_t sw_btn = !HAL_GPIO_ReadPin(SW_BTN);
     uint8_t sw_up = !HAL_GPIO_ReadPin(SW_UP);
@@ -67,7 +69,7 @@ void display_process(therm_status_t* sta
 
             if(temp_changed || state_changed) {
                 char tempstr[6];
-                itoa_fp(status->temp, status->temp_frac, tempstr);
+//                itoa_fp(status->temp, status->temp_frac, tempstr);
                 ssd1306_drawstring("Temp: ", 3, 40);
                 ssd1306_drawstring("    ", 3, 72);
                 ssd1306_drawstring(tempstr, 3, 72);
@@ -656,19 +658,18 @@ void display_process(therm_status_t* sta
 }
 
 
-static int32_t temp_last = 43002;
-static int32_t temp_frac_last = 43002;
-static int32_t setpoint_last = 10023;
+static float temp_last = 43002.0;
+static float setpoint_last = 10023.0;
 
 // Draw current setpoint on display
 static void draw_setpoint(therm_status_t* status) {
     // FIXME: need to do this when switching modes too
-    if(status->temp != temp_last || status->temp_frac != temp_frac_last || trigger_drawsetpoint) {
-        char tempstr[3];
-        itoa_fp(status->temp, status->temp_frac, tempstr);
-        ssd1306_drawstringbig("      ", 3, 0);
-        ssd1306_drawstringbig(tempstr, 3, 0);
-    }
+//    if(status->temp != temp_last || trigger_drawsetpoint) {
+//        char tempstr[3];
+//        itoa_fp(status->temp, status->temp_frac, tempstr);
+//        ssd1306_drawstringbig("      ", 3, 0);
+//        ssd1306_drawstringbig(tempstr, 3, 0);
+//    }
 
     if(trigger_drawsetpoint) 
         ssd1306_drawstringbig(">", 3, 74);
@@ -683,7 +684,6 @@ static void draw_setpoint(therm_status_t
     trigger_drawsetpoint = 0;
     setpoint_last = status->setpoint;
     temp_last = status->temp;
-    temp_frac_last = status->temp_frac;
 }
 
 void display_startup_screen() {