diff --git a/ipaserver/plugins/dns.py b/ipaserver/plugins/dns.py
index 919402db1..7130f8f7d 100644
--- a/ipaserver/plugins/dns.py
+++ b/ipaserver/plugins/dns.py
@@ -4313,7 +4313,7 @@ class dnsforwardzone(DNSZoneBase):
             except dns.exception.DNSException:
                 continue
             else:
-                ipa_dns_ip = str(ans.rrset.items[0])
+                ipa_dns_ip = str(next(iter(ans.rrset.items)))
                 break
 
         if not ipa_dns_ip: