diff --git a/script/optics/microfocus/ManipulatorFlyScan.py b/script/optics/microfocus/ManipulatorFlyScan.py
index 40aae293..6daaca76 100644
--- a/script/optics/microfocus/ManipulatorFlyScan.py
+++ b/script/optics/microfocus/ManipulatorFlyScan.py
@@ -24,9 +24,9 @@ LATENCY = 0.0
 ZIGZAG = False
 ENDSCAN = False
 
+step_time = 0.1
 fly_time = (RANGE[1] - RANGE[0]) / SPEED
 STEPS = int(fly_time / step_time) + 1
 print "scan time: ", fly_time
 
 cscan(MOTORS, SENSORS, RANGE[0], RANGE[1], STEPS, time=fly_time, check_positions = False)
-        
\ No newline at end of file