diff --git a/script/DeflectorScan.py b/script/DeflectorScan.py
index 8761dbab..7be1ff6d 100644
--- a/script/DeflectorScan.py
+++ b/script/DeflectorScan.py
@@ -21,7 +21,7 @@ SENSORS = (Counts, Scienta.dataMatrix, Scienta.spectrum, SampleCurrent, RefCurre
 STARTPOS = -15.
 ENDPOS = +15.
 # if integer, actual number of positions will be +1!
-STEPS = 1
+STEPS = 1.
 RELATIVE = False
 LATENCY = 0.0
 ENDSCAN = True
@@ -54,9 +54,9 @@ try:
                                           
         print "speed: ", SPEED
         print "scan time: ", fly_time            
-        cscan(MOTORS, SENSORS, RANGE[0], RANGE[1], STEPS, LATENCY, fly_time, RELATIVE, before_read=before_readout, after_read = after_readout, check_positions = False)
+        cscan(MOTORS, SENSORS, STARTPOS, ENDPOS, STEPS, LATENCY, fly_time, RELATIVE, before_read=before_readout, after_read = after_readout, check_positions = False)
     else:
-        lscan(MOTORS, SENSORS, RANGE[0], RANGE[1], 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()