diff --git a/script/ManipulatorYZScan.py b/script/ManipulatorYZScan.py
index fd6edef1..c0974f06 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 = (3-1, 3-1)
+STEPS = (2-1, 2-1)
 LATENCY = 0.0
 ENDSCAN = False
 ZIGZAG = True