diff --git a/tests/SimpleActorTest.cpp b/tests/SimpleActorTest.cpp
index ee219205658fd369b41611cada8f2f98614de74c..8fbed14a42e81792fa44e208a558d9711a875eff 100644
--- a/tests/SimpleActorTest.cpp
+++ b/tests/SimpleActorTest.cpp
@@ -37,7 +37,7 @@ static void mainFiber(void* runtime_ptr) {
 	SumActor sumActor(runtime);
 	sumActor.start();
 
-	CPS cps(FIBER_COUNT);
+	CPS cps;
 	for (unsigned int i = 0; i < FIBER_COUNT; ++i) {
 		spawn([&sumActor, i] {
 				WDBG(Dispatcher::getCurrentFiber() << " starts to count to " << FIBERS_COUNT_TO);