diff --git a/test/cpp/qps/server_async.cc b/test/cpp/qps/server_async.cc
index f5251e961b9..10f884383a4 100644
--- a/test/cpp/qps/server_async.cc
+++ b/test/cpp/qps/server_async.cc
@@ -80,7 +80,7 @@ class AsyncQpsServerTest : public Server {
     server_ = builder.BuildAndStart();
 
     using namespace std::placeholders;
-    for (int i = 0; i < 10; i++) {
+    for (int i = 0; i < 10000 / config.threads(); i++) {
       for (int j = 0; j < config.threads(); j++) {
         auto request_unary = std::bind(
             &TestService::AsyncService::RequestUnaryCall, &async_service_, _1,