diff --git a/script/ManipulatorYZFlyScan.py b/script/ManipulatorYZFlyScan.py
index 567795a6..81e93d63 100644
--- a/script/ManipulatorYZFlyScan.py
+++ b/script/ManipulatorYZFlyScan.py
@@ -35,7 +35,9 @@ trig_scienta()
 time1 = time.time()
 before_readout()
 time2 = time.time()
-scienta_time = (time2 - time1)
+before_readout()
+time3 = time.time()
+scienta_time = max((time2 - time1), (time3 - time2))
 print "scienta time: ", scienta_time
 
 # time for one Y scan in seconds