Index: /trunk/FACT++/src/Main.h
===================================================================
--- /trunk/FACT++/src/Main.h	(revision 15108)
+++ /trunk/FACT++/src/Main.h	(revision 15109)
@@ -29,5 +29,5 @@
         config.add_options()
             ("dns",        var<string>("localhost"),       "Dim nameserver (overwites DIM_DNS_NODE environment variable)")
-            ("host",       var<string>(""),                "Address with which the Dim nameserver can connect to this host (overwites DIM_HOST_NODE environment variable)")
+            ("host",       var<string>(),                  "Address with which the Dim nameserver can connect to this host (overwites DIM_HOST_NODE environment variable)")
             ("log,l",      var<string>(n), "Name of local log-file")
             ("append-log", po_bool(),      "Append log information to local log-file")
@@ -83,5 +83,5 @@
     int execute(Configuration &conf, bool dummy=false)
     {
-        Dim::Setup(conf.Get<string>("dns"), conf.Get<string>("host"));
+        Dim::Setup(conf.Get<string>("dns"), conf.Has("host")?conf.Get<string>("host"):"");
 
         // -----------------------------------------------------------------