diff --git a/kiln-tuner.py b/kiln-tuner.py
index bd89acf..e1114d6 100755
--- a/kiln-tuner.py
+++ b/kiln-tuner.py
@@ -60,9 +60,9 @@ def tune(csvfile, targettemp):
                 if temp > targettemp:
                     if not config.simulate:
                         oven.output.heat(0)
-                    stage = 'decaying'
+                    stage = 'cooling'
 
-            elif stage == 'decaying':
+            elif stage == 'cooling':
                 if temp < targettemp:
                     break