diff --git a/library/Businessprocess/Renderer/Renderer.php b/library/Businessprocess/Renderer/Renderer.php
index 5d613d7..c6fbbb6 100644
--- a/library/Businessprocess/Renderer/Renderer.php
+++ b/library/Businessprocess/Renderer/Renderer.php
@@ -214,7 +214,8 @@ abstract class Renderer extends HtmlDocument
             $paths = $node->getPaths();
         }
 
-        $url = $this->getUrl()->setParams([
+        $url = clone $this->getUrl();
+        $url->setParams([
             'config'    => $node->getBpConfig()->getName(),
             'node'      => $name
         ]);
diff --git a/library/Businessprocess/Renderer/TileRenderer.php b/library/Businessprocess/Renderer/TileRenderer.php
index 328bc3d..f1f779e 100644
--- a/library/Businessprocess/Renderer/TileRenderer.php
+++ b/library/Businessprocess/Renderer/TileRenderer.php
@@ -30,7 +30,7 @@ class TileRenderer extends Renderer
         if ($this->wantsRootNodes()) {
             $nodesDiv->getAttributes()->add(
                 'data-action-url',
-                $this->getUrl()->setParams(['config' => $bp->getName()])->getAbsoluteUrl()
+                $this->getUrl()->with(['config' => $bp->getName()])->getAbsoluteUrl()
             );
         } else {
             $nodeName = $this->parent instanceof ImportedNode
@@ -39,7 +39,7 @@ class TileRenderer extends Renderer
             $nodesDiv->getAttributes()
                 ->add('data-node-name', $nodeName)
                 ->add('data-action-url', $this->getUrl()
-                    ->setParams([
+                    ->with([
                         'config'    => $this->parent->getBpConfig()->getName(),
                         'node'      => $nodeName
                     ])
diff --git a/library/Businessprocess/Renderer/TreeRenderer.php b/library/Businessprocess/Renderer/TreeRenderer.php
index 6936950..8cfed61 100644
--- a/library/Businessprocess/Renderer/TreeRenderer.php
+++ b/library/Businessprocess/Renderer/TreeRenderer.php
@@ -42,7 +42,7 @@ class TreeRenderer extends Renderer
         if ($this->wantsRootNodes()) {
             $tree->getAttributes()->add(
                 'data-action-url',
-                $this->getUrl()->setParams(['config' => $bp->getName()])->getAbsoluteUrl()
+                $this->getUrl()->with(['config' => $bp->getName()])->getAbsoluteUrl()
             );
         } else {
             $nodeName = $this->parent instanceof ImportedNode
@@ -51,7 +51,7 @@ class TreeRenderer extends Renderer
             $tree->getAttributes()
                 ->add('data-node-name', $nodeName)
                 ->add('data-action-url', $this->getUrl()
-                    ->setParams([
+                    ->with([
                         'config'    => $this->parent->getBpConfig()->getName(),
                         'node'      => $nodeName
                     ])
@@ -203,7 +203,7 @@ class TreeRenderer extends Renderer
             ]),
             'data-csrf-token'               => CsrfToken::generate(),
             'data-action-url'               => $this->getUrl()
-                ->setParams([
+                ->with([
                     'config'    => $node->getBpConfig()->getName(),
                     'node'      => $node instanceof ImportedNode
                         ? $node->getNodeName()