diff --git a/test/cpp/qps/client_async.cc b/test/cpp/qps/client_async.cc
index 5d9cb4b..0811148 100644
--- a/test/cpp/qps/client_async.cc
+++ b/test/cpp/qps/client_async.cc
@@ -243,6 +243,7 @@
         // this thread isn't supposed to shut down
         std::lock_guard<std::mutex> l(shutdown_state_[thread_idx]->mutex);
         if (shutdown_state_[thread_idx]->shutdown) {
+          delete ctx;
           return true;
         } else if (!ctx->RunNextState(ok, entry)) {
           // The RPC and callback are done, so clone the ctx