diff --git a/tests/pytest/test_001_demo.py b/tests/pytest/test_001_demo.py
index 15b54d9d..68521875 100755
--- a/tests/pytest/test_001_demo.py
+++ b/tests/pytest/test_001_demo.py
@@ -82,6 +82,7 @@ class TTkRecord(demo.ttk.TTk):
             if evt == self.KEY_EVENT:
                 kevt = self._key_events.get()
             if evt == self.TIME_EVENT:
+                self._paintEvent.set()
                 super()._time_event()
                 continue
             #if evt == self.SCREEN_EVENT: