diff --git a/script/ManipulatorYZScan.py b/script/ManipulatorYZScan.py
index df62802c..fd6edef1 100644
--- a/script/ManipulatorYZScan.py
+++ b/script/ManipulatorYZScan.py
@@ -9,12 +9,13 @@ move manipulator to center position before start!
 
 import math
 
-STEPS = (3, 3)
+# actual number of positions will be +1!
+STEPS = (3-1, 3-1)
 LATENCY = 0.0
 ENDSCAN = False
 ZIGZAG = True
 
-MOTORS = (ManipulatorY, ManipulatorZ)
+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)