diff --git a/library/Businessprocess/Renderer/Renderer.php b/library/Businessprocess/Renderer/Renderer.php
index 431272e..6ebe481 100644
--- a/library/Businessprocess/Renderer/Renderer.php
+++ b/library/Businessprocess/Renderer/Renderer.php
@@ -2,7 +2,6 @@
 
 namespace Icinga\Module\Businessprocess\Renderer;
 
-use Icinga\Date\DateFormatter;
 use Icinga\Exception\ProgrammingError;
 use Icinga\Module\Businessprocess\BpNode;
 use Icinga\Module\Businessprocess\BpConfig;
@@ -11,7 +10,6 @@ use Icinga\Module\Businessprocess\Web\Url;
 use ipl\Html\BaseHtmlElement;
 use ipl\Html\Html;
 use ipl\Html\HtmlDocument;
-use ipl\Html\HtmlString;
 
 abstract class Renderer extends HtmlDocument
 {
@@ -187,6 +185,16 @@ abstract class Renderer extends HtmlDocument
         return $classes;
     }
 
+    /**
+     * @param Node $node
+     * @param $path
+     * @return string
+     */
+    public function getId(Node $node, $path)
+    {
+        return md5(implode(';', $path) . $node->getName());
+    }
+
     public function setPath(array $path)
     {
         $this->path = $path;
diff --git a/library/Businessprocess/Renderer/TileRenderer/NodeTile.php b/library/Businessprocess/Renderer/TileRenderer/NodeTile.php
index 1fa0ca0..e171c80 100644
--- a/library/Businessprocess/Renderer/TileRenderer/NodeTile.php
+++ b/library/Businessprocess/Renderer/TileRenderer/NodeTile.php
@@ -72,7 +72,7 @@ class NodeTile extends BaseHtmlElement
 
         $attributes = $this->getAttributes();
         $attributes->add('class', $renderer->getNodeClasses($node));
-        $attributes->add('id', 'bp-' . $node->getName());
+        $attributes->add('id', $renderer->getId($node, $this->path));
         if (! $renderer->isLocked()) {
             $attributes->add('data-node-name', $node->getName());
         }
diff --git a/library/Businessprocess/Renderer/TreeRenderer.php b/library/Businessprocess/Renderer/TreeRenderer.php
index c890368..0919de6 100644
--- a/library/Businessprocess/Renderer/TreeRenderer.php
+++ b/library/Businessprocess/Renderer/TreeRenderer.php
@@ -86,16 +86,6 @@ class TreeRenderer extends Renderer
         return $html;
     }
 
-    /**
-     * @param Node $node
-     * @param $path
-     * @return string
-     */
-    protected function getId(Node $node, $path)
-    {
-        return md5(implode(';', $path) . $node->getName());
-    }
-
     protected function getStateClassNames(Node $node)
     {
         $state = strtolower($node->getStateName());