diff --git a/tests/ui_test_data/demouiold/stress_change_locale.ini b/tests/ui_test_data/demouiold/stress_change_locale.ini
index 1615fa9c7..90b329242 100644
--- a/tests/ui_test_data/demouiold/stress_change_locale.ini
+++ b/tests/ui_test_data/demouiold/stress_change_locale.ini
@@ -3,6 +3,11 @@
 
 [click]
   target=open:locale
+
+[set_prop]
+  target=window_manager
+  name=screen_saver_time
+  value=100000000
   
 [sleep.start]
   time=1000