diff --git a/qemu/tests/flow_caches_stress_test.py b/qemu/tests/flow_caches_stress_test.py
index 7ee16333e30d5da3b77bb7534cafaca91e34a41b..e8076d816b97b1f456f6bce65b61818a65814e38 100644
--- a/qemu/tests/flow_caches_stress_test.py
+++ b/qemu/tests/flow_caches_stress_test.py
@@ -83,7 +83,7 @@ def run(test, params, env):
     passwd = params.get("hostpasswd", "123456")
     client = params.get("shell_client", "ssh")
     port = params.get("shell_port", "22")
-    shell_prompt = params.get("shell_prompt", "^root@.*[\#\$]\s*$|#")
+    prompt = params.get("shell_prompt", "^root@.*[\#\$]\s*$|#")
     linesep = params.get("shell_linesep", "\n").decode('string_escape')
     status_test_command = params.get("status_test_command", "echo $?")