diff --git a/script/RefocusYRotScan.py b/script/RefocusYRotScan.py
index c3f77bdb..e8981118 100644
--- a/script/RefocusYRotScan.py
+++ b/script/RefocusYRotScan.py
@@ -8,13 +8,13 @@ set analyser parameters separately!
 import math
 
 # adjust the following parameters
-DISTANCE = 0.8
-STEPS = 40
+DISTANCE = 0.2
+STEPS = 20
 LATENCY = 0.5
 ENDSCAN = True
 
-MOTOR = (RefocusYRot)
-SENSORS = (Counts, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution)
+global MOTORS = (RefocusYRot)
+global SENSORS = (Counts, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution)
 STARTPOS = (-DISTANCE / 2.0)
 ENDPOS = (DISTANCE / 2.0)
 RELATIVE = True
@@ -23,7 +23,7 @@ adjust_sensors()
 set_adc_averaging()
 
 try:
-    lscan(MOTOR, SENSORS, STARTPOS, ENDPOS, STEPS, LATENCY, RELATIVE, before_read=before_readout, after_read = after_readout)
+    lscan(MOTORS, SENSORS, STARTPOS, ENDPOS, STEPS, LATENCY, RELATIVE, before_read=before_readout, after_read = after_readout)
 finally:
     if ENDSCAN:
         after_scan()