diff --git a/tests/core/scheduler.cpp b/tests/core/scheduler.cpp
index 9e673a0..77ca1e9 100644
--- a/tests/core/scheduler.cpp
+++ b/tests/core/scheduler.cpp
@@ -59,25 +59,25 @@
   boost::asio::io_service io; 
 
   Scheduler scheduler(io);
-  scheduler.scheduleEvent(time::seconds(0.1), bind(&SchedulerFixture::event1, this));
+  scheduler.scheduleEvent(time::seconds(0.5), bind(&SchedulerFixture::event1, this));
   
-  EventId i = scheduler.scheduleEvent(time::seconds(0.2), bind(&SchedulerFixture::event2, this));
+  EventId i = scheduler.scheduleEvent(time::seconds(1.0), bind(&SchedulerFixture::event2, this));
   scheduler.cancelEvent(i);
 
-  scheduler.scheduleEvent(time::seconds(0.05), bind(&SchedulerFixture::event3, this));
+  scheduler.scheduleEvent(time::seconds(0.25), bind(&SchedulerFixture::event3, this));
 
-  i = scheduler.scheduleEvent(time::seconds(0.01), bind(&SchedulerFixture::event2, this));
+  i = scheduler.scheduleEvent(time::seconds(0.05), bind(&SchedulerFixture::event2, this));
   scheduler.cancelEvent(i);
 
   i = scheduler.schedulePeriodicEvent(time::seconds(0.3), time::seconds(0.1), bind(&SchedulerFixture::event4, this));
-  scheduler.scheduleEvent(time::seconds(0.69), bind(&Scheduler::cancelEvent, &scheduler, i));
+  scheduler.scheduleEvent(time::seconds(1), bind(&Scheduler::cancelEvent, &scheduler, i));
   
   io.run();
 
   BOOST_CHECK_EQUAL(count1, 1);
   BOOST_CHECK_EQUAL(count2, 0);
   BOOST_CHECK_EQUAL(count3, 1);
-  BOOST_CHECK_EQUAL(count4, 4);
+  BOOST_CHECK_GT(count4, 1);
 }
 
 BOOST_AUTO_TEST_CASE(CancelEmptyEvent)