diff --git a/lib/oven.py b/lib/oven.py
index cfddd58..6338fea 100644
--- a/lib/oven.py
+++ b/lib/oven.py
@@ -480,7 +480,7 @@ class RealOven(Oven):
             self.output.time_disp.time(time_left_h,
                                        time_left_m)
         if self.output.temp_disp:
-            self.temp_disp.temp(self.temperature)
+            self.output.temp_disp.temp(self.board.temp_sensor.temperature)
 
         log.info("temp=%.2f, target=%.2f, pid=%.3f, heat_on=%.2f, heat_off=%.2f, run_time=%d, total_time=%d, time_left=%d" %
             (self.board.temp_sensor.temperature + config.thermocouple_offset,