diff --git a/script/KeithleyVoltageScan.py b/script/KeithleyVoltageScan.py
index 5fdb50cf..1481d25b 100644
--- a/script/KeithleyVoltageScan.py
+++ b/script/KeithleyVoltageScan.py
@@ -3,7 +3,7 @@ Keithley voltage scan
 
 """
 
-POSITIONERS = (Keithley1Voltage)*2
+POSITIONERS = (Keithley1Voltage)
 SENSORS = (Counts, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution, Scienta.dataMatrix,ManipulatorTempA)
 POSITIONS = (10,-10)
 
@@ -19,6 +19,7 @@ set_adc_averaging()
 set_preference(Preference.PLOT_TYPES, {'Scienta spectrum':1})
 set_exec_pars(compression=True)
 
-lscan(POSITIONERS,SENSORS,POSITIONS[0], POSITIONS[1], STEPS, LATENCY, RELATIVE, before_read = before_readout, after_read = after_readout)
+while true:
+    lscan(POSITIONERS,SENSORS,POSITIONS[0], POSITIONS[1], STEPS, LATENCY, RELATIVE, before_read = before_readout, after_read = after_readout)
 
 # after_scan()