diff --git a/tests/time_test.cpp b/tests/time_test.cpp
index 97e371c..42c20d3 100644
--- a/tests/time_test.cpp
+++ b/tests/time_test.cpp
@@ -140,7 +140,7 @@
   ts.it_value.tv_nsec = value_ns;
   ts.it_interval.tv_sec = interval_s;
   ts.it_interval.tv_nsec = interval_ns;
-  ASSERT_EQ(0, timer_settime(t, TIMER_ABSTIME, &ts, NULL));
+  ASSERT_EQ(0, timer_settime(t, 0, &ts, NULL));
 }
 
 static void NoOpNotifyFunction(sigval_t) {
@@ -356,8 +356,8 @@
   ASSERT_EQ(0, counter2.Value());
   ASSERT_EQ(0, counter3.Value());
 
-  counter2.SetTime(0, 1, 0, 0);
-  usleep(500000);
+  counter2.SetTime(0, 500000000, 0, 0);
+  sleep(1);
 
   EXPECT_EQ(0, counter1.Value());
   EXPECT_EQ(1, counter2.Value());