diff --git a/script/optics/RefocusYManipulatorZScan.py b/script/optics/RefocusYManipulatorZScan.py
index b9cff5f2..bb2b0f68 100644
--- a/script/optics/RefocusYManipulatorZScan.py
+++ b/script/optics/RefocusYManipulatorZScan.py
@@ -11,7 +11,7 @@ import math
 
 # adjust the following parameters
 STEPS = 60
-LATENCY = 0.0
+LATENCY = 1.
 ENDSCAN = False
 
 MOTOR = (RefocusYTrans, ManipulatorZ)