diff --git a/script/optics/FocusTemperatureScan.py b/script/optics/FocusTemperatureScan.py
index 5a7606a7..dee655ad 100644
--- a/script/optics/FocusTemperatureScan.py
+++ b/script/optics/FocusTemperatureScan.py
@@ -5,8 +5,8 @@ Focusing mirror temperature scan
 
 import math
 
-FmuTemperatureSet = ch.psi.pshell.epics.ChannelDouble("X03DA-PC-HUBER:TEMP-SP")
-FmuTemperatureRbk = ch.psi.pshell.epics.ChannelDouble("X03DA-PC-HUBER:TEMP-I-RBV")
+FmuTemperatureSet = ch.psi.pshell.epics.ChannelDouble("FmuTemperatureSet", "X03DA-PC-HUBER:TEMP-SP")
+FmuTemperatureRbk = ch.psi.pshell.epics.ChannelDouble("FmuTemperatureRbk", "X03DA-PC-HUBER:TEMP-I-RBV")
 
 #MOTORS = ["ca://X03DA-PC-HUBER:TEMP-SP"]
 #SENSORS = [OpticsCameraCentroidX, OpticsCameraSigmaX, "ca://X03DA-PC-HUBER:TEMP-I-RBV"]