diff --git a/library/Businessprocess/BpNode.php b/library/Businessprocess/BpNode.php
index ccb3b19..767193d 100644
--- a/library/Businessprocess/BpNode.php
+++ b/library/Businessprocess/BpNode.php
@@ -246,16 +246,18 @@ class BpNode extends Node
         ));
     }
 
-    public function toLegacyConfigString()
+    public function toLegacyConfigString(& $rendered = array())
     {
         $cfg = '';
         $children = array();
         
         foreach ($this->getChildren() as $name => $child) {
             $children[] = (string) $child;
+            if (array_key_exists($name, $rendered)) { continue; }
             if ($child instanceof BpNode) {
-                $cfg .= $child->toLegacyConfigString() . "\n";
+                $cfg .= $child->toLegacyConfigString($rendered) . "\n";
             }
+            $rendered[$name] = true;
         }
         $eq = '=';
         $op = $this->operator;
diff --git a/library/Businessprocess/BusinessProcess.php b/library/Businessprocess/BusinessProcess.php
index ae1962b..316b625 100644
--- a/library/Businessprocess/BusinessProcess.php
+++ b/library/Businessprocess/BusinessProcess.php
@@ -408,8 +408,9 @@ class BusinessProcess
             date('Y-m-d H:i:s')
         );
 
+        $rendered = array();
         foreach ($this->getChildren() as $child) {
-            $conf .= $child->toLegacyConfigString();
+            $conf .= $child->toLegacyConfigString($rendered);
         }
         return $conf . "\n";
     }
diff --git a/library/Businessprocess/HostNode.php b/library/Businessprocess/HostNode.php
index dc3db39..bcd9c61 100644
--- a/library/Businessprocess/HostNode.php
+++ b/library/Businessprocess/HostNode.php
@@ -27,7 +27,7 @@ class HostNode extends Node
             ));
         } else {
             return $view->qlink($this->getHostname(), 'monitoring/host/show', array(
-                'host' => $this->getHostname,
+                'host' => $this->getHostname(),
                 'processName' => $this->bp->getName()
             ));
         }
diff --git a/library/Businessprocess/Node.php b/library/Businessprocess/Node.php
index f8fb075..8973141 100644
--- a/library/Businessprocess/Node.php
+++ b/library/Businessprocess/Node.php
@@ -340,7 +340,7 @@ abstract class Node
         return ' ';
     }
 
-    public function toLegacyConfigString() { return '';}
+    public function toLegacyConfigString(& $rendered = array()) { return '';}
     //abstract public function toLegacyConfigString();
 
     public function __toString()