diff --git a/slave/ls340.py b/slave/ls340.py
index <HASH>..<HASH> 100644
--- a/slave/ls340.py
+++ b/slave/ls340.py
@@ -314,7 +314,7 @@ class Input(InstrumentBase):
                                         '300uA', '1mA', '10mV', '1mV'),
                                    Enum('1mV', '2.5mV', '5mV', '10mV', '25mV',
                                         '50mV', '100mV', '250mV', '500mV',
-                                        '1V', '2.5V', '5V', '7.5V', start=0)])
+                                        '1V', '2.5V', '5V', '7.5V', start=1)])
         self.kelvin = Command(('KRDG? {0}'.format(name), Float))
         self.sensor_units = Command(('SRDG? {0}'.format(name), Float))
         self.linear = Command(('LDAT? {0}'.format(name), Float))
Fixed wrong start value in Input enum of LS<I>.