diff --git a/os/gcron/gcron_unit_1_test.go b/os/gcron/gcron_unit_1_test.go
index 4e408e2a3..5cb253c11 100644
--- a/os/gcron/gcron_unit_1_test.go
+++ b/os/gcron/gcron_unit_1_test.go
@@ -41,7 +41,7 @@ func TestCron_Add_Close(t *testing.T) {
 		t.Assert(cron.Size(), 3)
 		time.Sleep(1200 * time.Millisecond)
 		t.Assert(array.Len(), 2)
-		time.Sleep(1200 * time.Millisecond)
+		time.Sleep(1400 * time.Millisecond)
 		t.Assert(array.Len(), 5)
 		cron.Close()
 		time.Sleep(1200 * time.Millisecond)