diff --git a/lib/oven.py b/lib/oven.py
index a293682..af2a5de 100644
--- a/lib/oven.py
+++ b/lib/oven.py
@@ -227,17 +227,16 @@ class TempSensorReal(TempSensor):
 
     def run(self):
         while True:
-            maxtries = 10
-            final = 0
-            for x in range(0,maxtries):
-                try:
-                    temp = self.thermocouple.get()
-                except Exception:
-                    log.exception("problem reading temp")
-                if temp > final:
-                    final = temp
-            if final > 0:
-                self.temperature = final
+
+            last = self.temperature
+            try:
+                temp = self.thermocouple.get()
+            except Exception:
+                log.exception("problem reading temp")
+
+            if abs(last-temp) > 5:
+              self.temperature = (last + temp) / 2.0
+
             time.sleep(self.time_step)