diff --git a/script/ManipulatorYZScan.py b/script/ManipulatorYZScan.py
index d74b72e9..6b622a5f 100644
--- a/script/ManipulatorYZScan.py
+++ b/script/ManipulatorYZScan.py
@@ -10,7 +10,7 @@ move manipulator to center position before start!
 import math
 
 # actual number of positions will be +1!
-STEPS = (10-1, 10-1)
+STEPS = (10, 10)
 LATENCY = 0.0
 ENDSCAN = False
 ZIGZAG = True
@@ -18,8 +18,8 @@ ZIGZAG = True
 MOTORS = (ManipulatorZ, ManipulatorY)
 SENSORS = (Counts, Scienta.spectrum, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution)
 #SENSORS = (Counts, Scienta.dataMatrix, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution)
-STARTPOS = (-0.5, -0.5)
-ENDPOS = (+0.5, +0.5)
+STARTPOS = (-1, -1)
+ENDPOS = (+1, +1)
 RELATIVE = True
 
 adjust_sensors()