diff --git a/example/hello-task/hello_task.cpp b/example/hello-task/hello_task.cpp
index 843ca46cc..2c497f913 100644
--- a/example/hello-task/hello_task.cpp
+++ b/example/hello-task/hello_task.cpp
@@ -22,5 +22,6 @@ int main()
 {
     capy::thread_pool pool;
     capy::run_async(pool.get_executor())(say_hello());
+    pool.join();
     return 0;
 }