diff --git a/script/optics/microfocus/ManipulatorFlyScan.py b/script/optics/microfocus/ManipulatorFlyScan.py
index 6b2c7c67..9968cf04 100644
--- a/script/optics/microfocus/ManipulatorFlyScan.py
+++ b/script/optics/microfocus/ManipulatorFlyScan.py
@@ -13,7 +13,7 @@ MOTORS = (ManipulatorY)
 CENTER = -0.6
 WIDTH = 1.
 RANGE = (CENTER - WIDTH / 2., CENTER + WIDTH / 2.)
-STEP = 0.010
+STEP = 0.0010
 
 #MOTORS = (ManipulatorY)
 #RANGE = (-3.5, +3.5)