diff --git a/sky/utils/command_runner.py b/sky/utils/command_runner.py
index 0b8ffc74171..3ed69d0e2a1 100644
--- a/sky/utils/command_runner.py
+++ b/sky/utils/command_runner.py
@@ -184,9 +184,8 @@ def _get_command_to_run(
             # cluster by 1 second.
             # sourcing ~/.bashrc is not required for internal executions
             command += [
-                shlex.quote(
-                    'true && export OMP_NUM_THREADS=1 PYTHONWARNINGS=ignore'
-                    f' && ({cmd})')
+                shlex.quote('true && export OMP_NUM_THREADS=1 '
+                            f'PYTHONWARNINGS=ignore && ({cmd})')
             ]
         if not separate_stderr:
             command.append('2>&1')
@@ -433,8 +432,7 @@ def run(
             process_stream,
             separate_stderr,
             # A hack to remove the following SSH warning+bash warnings (twice):
-            # Warning: Permanently added 'xx.xx.xx.xx' to the list of known
-            # hosts.
+            #  Warning: Permanently added 'xx.xx.xx.xx' to the list of known...
             #  bash: cannot set terminal process group
             #  bash: no job control in this shell
             # When not source_bashrc, the bash warning will only show once.