diff --git a/runtime/src/listener_thread.c b/runtime/src/listener_thread.c
index 6fe8398..30163c5 100644
--- a/runtime/src/listener_thread.c
+++ b/runtime/src/listener_thread.c
@@ -80,7 +80,8 @@ listener_thread_main(void *dummy)
 	generic_thread_initialize();
 
 	/* Set my priority */
-	runtime_set_pthread_prio(pthread_self(), 2);
+	// runtime_set_pthread_prio(pthread_self(), 2);
+	pthread_setschedprio(pthread_self(), -20);
 
 	while (true) {
 		/*
diff --git a/runtime/src/worker_thread.c b/runtime/src/worker_thread.c
index f28a286..168ad5b 100644
--- a/runtime/src/worker_thread.c
+++ b/runtime/src/worker_thread.c
@@ -47,7 +47,8 @@ worker_thread_main(void *argument)
 	worker_thread_idx = *(int *)argument;
 
 	/* Set my priority */
-	runtime_set_pthread_prio(pthread_self(), 2);
+	// runtime_set_pthread_prio(pthread_self(), 2);
+	pthread_setschedprio(pthread_self(), -20);
 
 	scheduler_runqueue_initialize();