diff --git a/script/KeithleyVoltageScan.py b/script/KeithleyVoltageScan.py
index 8d215bca..28351171 100644
--- a/script/KeithleyVoltageScan.py
+++ b/script/KeithleyVoltageScan.py
@@ -7,7 +7,7 @@ POSITIONERS = (Keithley2Voltage)
 SENSORS = (Counts, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution, Scienta.dataMatrix)
 POSITIONS = (-2., 20.)
 STEPS = 0.5
-LATENCY = 5.0
+LATENCY = 4.0
 RELATIVE = False
 
 adjust_sensors()