diff -r 53774295e14a -r f3b0e9ac9bcb www-thermferm/units.php
--- a/www-thermferm/units.php	Sun Feb 15 20:38:54 2015 +0100
+++ b/www-thermferm/units.php	Sun Feb 15 23:09:00 2015 +0100
@@ -172,7 +172,7 @@
 	isset($_POST['BeerAddress']) && isset($_POST['HeaterAddress']) && isset($_POST['CoolerAddress']) && isset($_POST['LightAddress']) &&
 	isset($_POST['HeaterDelay']) && isset($_POST['CoolerDelay']) && isset($_POST['LightDelay']) && isset($_POST['PSUAddress']) &&
 	isset($_POST['FanAddress']) && isset($_POST['DoorAddress']) && isset($_POST['TempSetMin']) && isset($_POST['TempSetMax']) &&
-	isset($_POST['PID_Kp']) && isset($_POST['PID_Kd']) && isset($_POST['PID_Li']) &&
+	isset($_POST['PID_Kp']) && isset($_POST['PID_Kd']) && isset($_POST['PID_Ki']) &&
 	isset($_POST['IdleRangeL']) && isset($_POST['IdleRangeH']) && isset($_POST['key']) && isset($_POST['command'])) {
 
 	if ($_POST['key'] == 'Cancel')