diff --git a/python/ray/autoscaler/command_runner.py b/python/ray/autoscaler/command_runner.py
index fb4d95de4..9ab25616b 100644
--- a/python/ray/autoscaler/command_runner.py
+++ b/python/ray/autoscaler/command_runner.py
@@ -460,6 +460,7 @@ class DockerCommandRunner(SSHCommandRunner):
 
         if run_env == "docker":
             cmd = self._docker_expand_user(cmd, any_char=True)
+            cmd = " ".join(_with_interactive(cmd))
             cmd = with_docker_exec(
                 [cmd], container_name=self.docker_name,
                 with_interactive=True)[0]