diff --git a/sky/provision/kubernetes/utils.py b/sky/provision/kubernetes/utils.py
index 5150cc5860b..4c23a41161a 100644
--- a/sky/provision/kubernetes/utils.py
+++ b/sky/provision/kubernetes/utils.py
@@ -1234,7 +1234,8 @@ def construct_ssh_jump_command(
                               '-o StrictHostKeyChecking=no '
                               '-o UserKnownHostsFile=/dev/null '
                               f'-o IdentitiesOnly=yes '
-                              f'-W %h:%p {ssh_jump_user}@{ssh_jump_ip}')
+                              r'-W \[%h\]:%p '
+                              f'{ssh_jump_user}@{ssh_jump_ip}')
     if ssh_jump_port is not None:
         ssh_jump_proxy_command += f' -p {ssh_jump_port} '
     if proxy_cmd_path is not None: