diff --git a/lib/ssh.py b/lib/ssh.py
index b3116d3a09aded5fda42473ead72a96bc915a091..ba4c3eb33ac9888e281e53165d4600b8f4cbd1f6 100644
--- a/lib/ssh.py
+++ b/lib/ssh.py
@@ -95,6 +95,7 @@ class SshRunner:
       "-oHashKnownHosts=no",
       "-oGlobalKnownHostsFile=%s" % constants.SSH_KNOWN_HOSTS_FILE,
       "-oUserKnownHostsFile=/dev/null",
+      "-oCheckHostIp=no",
       ]
 
     if use_cluster_key: