diff --git a/testcases/filtertestcase.py b/testcases/filtertestcase.py
index 788c9e9d..927cb2fe 100644
--- a/testcases/filtertestcase.py
+++ b/testcases/filtertestcase.py
@@ -458,7 +458,7 @@ def get_monitor_failures_testcase(Filter_):
 			self.file = _copy_lines_between_files(GetFailures.FILENAME_01, self.name,
 												  n=14, mode='w')
 			# Poll might need more time
-			self.assertTrue(self.isEmpty(2 + int(isinstance(self.filter, FilterPoll))*4))
+			self.assertTrue(self.isEmpty(4 + int(isinstance(self.filter, FilterPoll))*2))
 			self.assertRaises(FailManagerEmpty, self.filter.failManager.toBan)
 			self.assertEqual(self.filter.failManager.getFailTotal(), 2)