diff --git a/script/KeithleyVoltageScan.py b/script/KeithleyVoltageScan.py
index 8e7111a7..d84158b4 100644
--- a/script/KeithleyVoltageScan.py
+++ b/script/KeithleyVoltageScan.py
@@ -3,10 +3,10 @@ Keithley voltage scan
 
 """
 
-POSITIONERS = (Keithley2Voltage)
+POSITIONERS = (Keithley1Voltage)
 SENSORS = (Counts, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution, Scienta.dataMatrix)
-POSITIONS = (-50,50)
-STEPS = 50
+POSITIONS = (0,50)
+STEPS = 10.0
 LATENCY = 1.0
 
 RELATIVE = False