diff --git a/python/ray/worker.py b/python/ray/worker.py
index 06bf9d66d..888dc8569 100644
--- a/python/ray/worker.py
+++ b/python/ray/worker.py
@@ -1164,7 +1164,7 @@ def connect(node,
         worker.worker_id = ray.utils.compute_driver_id_from_job(
             job_id).binary()
 
-    if mode is not SCRIPT_MODE and setproctitle:
+    if mode is not SCRIPT_MODE and mode is not LOCAL_MODE and setproctitle:
         process_name = ray_constants.WORKER_PROCESS_TYPE_IDLE_WORKER
         if mode is IO_WORKER_MODE:
             process_name = ray_constants.WORKER_PROCESS_TYPE_IO_WORKER
@@ -1348,11 +1348,13 @@ def disconnect(exiting_interpreter=False):
 
 @contextmanager
 def _changeproctitle(title, next_title):
-    setproctitle.setproctitle(title)
+    if _mode() is not LOCAL_MODE:
+        setproctitle.setproctitle(title)
     try:
         yield
     finally:
-        setproctitle.setproctitle(next_title)
+        if _mode() is not LOCAL_MODE:
+            setproctitle.setproctitle(next_title)
 
 
 def show_in_dashboard(message, key="", dtype="text"):