diff --git a/application/controllers/NodeController.php b/application/controllers/NodeController.php
index 1d8fe0a..d557050 100644
--- a/application/controllers/NodeController.php
+++ b/application/controllers/NodeController.php
@@ -25,15 +25,6 @@ class NodeController extends Controller
         foreach ($this->storage()->listProcessNames() as $configName) {
             $config = $this->storage()->loadProcess($configName);
 
-            // TODO: Fix issues with children, they do not exist unless resolved :-/
-            // This is a workaround:
-            foreach ($config->getRootNodes() as $node) {
-                $node->getState();
-            }
-            foreach ($config->getRootNodes() as $node) {
-                $node->clearState();
-            }
-
             if (! $config->hasNode($name)) {
                 continue;
             }
diff --git a/library/Businessprocess/Node.php b/library/Businessprocess/Node.php
index 856def7..0247382 100644
--- a/library/Businessprocess/Node.php
+++ b/library/Businessprocess/Node.php
@@ -50,7 +50,7 @@ abstract class Node
      *
      * @var array
      */
-    protected $parents = array();
+    protected $parents;
 
     /**
      * Node identifier
@@ -286,7 +286,7 @@ abstract class Node
 
     public function hasParents()
     {
-        return count($this->parents) > 0;
+        return count($this->getParents()) > 0;
     }
 
     public function hasParentName($name)
@@ -303,7 +303,7 @@ abstract class Node
     public function removeParent($name)
     {
         $this->parents = array_filter(
-            $this->parents,
+            $this->getParents(),
             function (BpNode $parent) use ($name) {
                 return $parent->getName() !== $name;
             }
@@ -317,6 +317,15 @@ abstract class Node
      */
     public function getParents()
     {
+        if ($this->parents === null) {
+            $this->parents = [];
+            foreach ($this->bp->getBpNodes() as $name => $node) {
+                if ($node->hasChild($this->getName())) {
+                    $this->parents[] = $node;
+                }
+            }
+        }
+
         return $this->parents;
     }
 
@@ -330,7 +339,7 @@ abstract class Node
         }
 
         $paths = array();
-        foreach ($this->parents as $parent) {
+        foreach ($this->getParents() as $parent) {
             foreach ($parent->getPaths() as $path) {
                 $path[] = $this->getName();
                 $paths[] = $path;