diff --git a/script/ExitSlitScan.py b/script/ExitSlitScan.py
index 9b79c83a..8b4bc87b 100644
--- a/script/ExitSlitScan.py
+++ b/script/ExitSlitScan.py
@@ -4,7 +4,7 @@ exit slit test scan
 
 POSITIONERS = (ExitSlit)
 SENSORS = (SampleCurrent, RefCurrent, AuxCurrent, MachineCurrent)
-STARTPOS = (0.0)
+STARTPOS = (-10.0)
 ENDPOS = (200.0)
 STEPS = 10.0
 LATENCY = 0.1
@@ -22,7 +22,7 @@ def trig():
 lscan(POSITIONERS, SENSORS, STARTPOS, ENDPOS, STEPS, LATENCY, before_read=trig, after_read=after_readout)
 
 STARTPOS = (200.0)
-ENDPOS = (0.0)
+ENDPOS = (-10.0)
 STEPS = -10.0
 
 lscan(POSITIONERS, SENSORS, STARTPOS, ENDPOS, STEPS, LATENCY, before_read=trig, after_read=after_readout)