diff --git a/DemoPrograms/Demo_Multithreaded_Long_Task_Simple.py b/DemoPrograms/Demo_Multithreaded_Long_Task_Simple.py
index 8635d1c0..8a2c17c3 100644
--- a/DemoPrograms/Demo_Multithreaded_Long_Task_Simple.py
+++ b/DemoPrograms/Demo_Multithreaded_Long_Task_Simple.py
@@ -68,7 +68,7 @@ def the_gui():
 
     # --------------------- EVENT LOOP ---------------------
     while True:
-        event, values = window.read(timeout=400)
+        event, values = window.read(timeout=100)
         if event in (None, 'Exit'):
             break
         elif event.startswith('Do'):