diff --git a/app/ceph.py b/app/ceph.py
index 74916a4..21f9f5f 100644
--- a/app/ceph.py
+++ b/app/ceph.py
@@ -20,7 +20,7 @@ def setup(ceph_url, ssh_username):
         keys = p.decode("utf-8").strip().split("\n")
         keys = "\n".join(keys)
         with open(os.path.expanduser("~/.ssh/known_hosts"), "a") as known_hosts:
-                known_hosts.write(keys)
+            known_hosts.write(keys)
         
         os.makedirs("/etc/ceph", exist_ok=True)
         command = f"sftp -b ./ceph_batch_cmd {ssh_username}@{ceph_url}:/etc/ceph"