diff --git a/nsupdate/main/dnstools.py b/nsupdate/main/dnstools.py
index 948438e..092009c 100644
--- a/nsupdate/main/dnstools.py
+++ b/nsupdate/main/dnstools.py
@@ -309,6 +309,10 @@ def update_ns(fqdn, rdtype='A', ipaddr=None, action='upd', ttl=60):
         logger.error("PeerBadSignature - shared secret mismatch? zone: %s" % (origin, ))
         set_ns_availability(domain, False)
         raise DnsUpdateError("PeerBadSignature")
+    except dns.tsig.PeerBadTime:
+        logger.error("PeerBadTime - DNS server did not like the time we sent. zone: %s" % (origin, ))
+        set_ns_availability(domain, False)
+        raise DnsUpdateError("PeerBadTime")
     except dns.message.UnknownTSIGKey as e:
         logger.error("UnknownTSIGKey [%s] - zone: %s" % (str(e), origin, ))
         set_ns_availability(domain, False)