diff --git a/tools/run_tests/performance/scenario_config.py b/tools/run_tests/performance/scenario_config.py
index 8ca82aae010..d1e8ebbd148 100644
--- a/tools/run_tests/performance/scenario_config.py
+++ b/tools/run_tests/performance/scenario_config.py
@@ -837,6 +837,7 @@ class PythonAsyncIOLanguage:
             channels=1,
             client_threads_per_cq=1,
             server_threads_per_cq=1,
+            unconstrained_client=True,
             categories=[SMOKETEST, SCALABLE])
 
         # yield _ping_pong_scenario(