diff --git a/xmppserver/src/main/java/org/jivesoftware/openfire/net/SocketUtil.java b/xmppserver/src/main/java/org/jivesoftware/openfire/net/SocketUtil.java
index 816f322d27..061d1f42e5 100644
--- a/xmppserver/src/main/java/org/jivesoftware/openfire/net/SocketUtil.java
+++ b/xmppserver/src/main/java/org/jivesoftware/openfire/net/SocketUtil.java
@@ -91,11 +91,11 @@ public static Map.Entry<Socket, Boolean> createSocketToXmppDomain( String xmppDo
                 /*
                  * Fallback: If no dns entry was found for xmpp service subdomain, try the xmpp (parent) domain itself.
                  * */
-                if (USE_FALLBACK.getValue()&&tryparent&&realHostname.contains("."))
+                if (USE_FALLBACK.getValue()&&tryparent&&xmppDomain.contains("."))
                 {
-                    String realHostnameWithoutSubdomain = realHostname.substring(realHostname.indexOf(".")+1);
-                    Log.info("Try to connect to parent domain {}:{}",realHostnameWithoutSubdomain,port);
-                    return createSocketToXmppDomain(realHostnameWithoutSubdomain,port,false);
+                    String xmppDomainWithoutSubdomain = xmppDomain.substring(xmppDomain.indexOf(".")+1);
+                    Log.info("Try to connect to parent domain {}:{}",xmppDomainWithoutSubdomain,port);
+                    return createSocketToXmppDomain(xmppDomainWithoutSubdomain,port,false);
                 }
             }
         }