diff --git a/script/optics/ExitSlitYScan.py b/script/optics/ExitSlitYScan.py
index 85aaef7d..c0c47031 100644
--- a/script/optics/ExitSlitYScan.py
+++ b/script/optics/ExitSlitYScan.py
@@ -10,7 +10,7 @@ POSITIONERS = (ExitSlitY)
 SENSORS = (SampleCurrent,RefCurrent, MachineCurrent)
 STARTPOS = (0.5)
 ENDPOS = (-0.5)
-STEPS = -0.01
+STEPS = 1000
 DWELL = 0.1
 TOTAL_TIME = 50