diff --git a/test/cpp/qps/single_run_localhost.sh b/test/cpp/qps/single_run_localhost.sh
index 1c2f1c85ebfae10c976239cb41fd587947ce4f5f..a0939a7e5877151c16d003ff697f8aaeb2404f5a 100755
--- a/test/cpp/qps/single_run_localhost.sh
+++ b/test/cpp/qps/single_run_localhost.sh
@@ -15,6 +15,9 @@ SERVER_PID=$!
 bins/opt/qps_client -driver_port 10001 &
 CLIENT_PID=$!
 
+# wait for startup
+sleep 2
+
 QPS_SERVERS=localhost:10000
 QPS_CLIENTS=localhost:10001