diff --git a/test.py b/test.py
index <HASH>..<HASH> 100644
--- a/test.py
+++ b/test.py
@@ -1,6 +1,7 @@
 
 import contextlib
 import datetime
+import time
 import unittest2
 
 import pyoo
@@ -633,12 +634,14 @@ class ChartsTestCase(BaseTestCase):
         with self.create_chart() as chart:
             series = chart.diagram.series[0]
             series.line_color = 0xFF0000
+            time.sleep(0.1) # OpenOffice needs some time to apply the change
             self.assertEqual(0xFF0000, series.line_color)
 
     def test_series_fill_color(self):
         with self.create_chart() as chart:
             series = chart.diagram.series[0]
             series.fill_color = 0xFF0000
+            time.sleep(0.1) # OpenOffice needs some time to apply the change
             self.assertEqual(0xFF0000, series.fill_color)
Fix failing tests because of delay before changes are applied by OpenOffice.