diff --git a/ui/widgets.py b/ui/widgets.py
index e4eeb5f..12dee41 100644
--- a/ui/widgets.py
+++ b/ui/widgets.py
@@ -149,7 +149,7 @@ class ChamberWidget(QGroupBox):
         self.slot_temp_field.setText(f'{data.get("slotTemperature", 0) / 10.0:.1f} °C')
         self.chg_temp_field.setText(f'{data.get("chargerTemp", 0) / 10.0:.1f} °C')
         self.charger_fault_field.setText(str(data.get("chargerFaultCode", 0)))
-        door_status = "CLOSED" if data.get("doorStatus") == 1 else "OPEN"
+        door_status = "OPEN" if data.get("doorStatus") == 1 else "CLOSED"
         self.door_status_field.setText(door_status)
 
     def reset_to_default(self):