diff --git a/config/devices.properties b/config/devices.properties
index 7a2113c..2c8e353 100644
--- a/config/devices.properties
+++ b/config/devices.properties
@@ -1,4 +1,4 @@
 robot=RobotTcp|127.0.0.1:1000|||
 robot_modbus=RobotModbus|129.129.110.99|||
-dewar=ch.psi.pshell.modbus.ModbusTCP|127.0.0.1|||
-temperature=ch.psi.pshell.modbus.AnalogInput|dewar 0|||
+$dewar=ch.psi.pshell.modbus.ModbusTCP|127.0.0.1|||
+$temperature=ch.psi.pshell.modbus.AnalogInput|dewar 0|||