diff --git a/Asset/Javascript/GraphBuilder.js b/Asset/Javascript/GraphBuilder.js
index 82b89f3..b85d3b7 100644
--- a/Asset/Javascript/GraphBuilder.js
+++ b/Asset/Javascript/GraphBuilder.js
@@ -25,7 +25,7 @@ $(document).ready(function() {
     network.on("selectNode", function (params) {
         if (params.nodes.length === 1) {
             var node = nodes.get(params.nodes[0]);
-            window.open(node.url, '_blank');
+            window.open(decodeURIComponent(node.url), '_blank');
         }
     });
 });
diff --git a/Controller/Relationgraph.php b/Controller/Relationgraph.php
index 5881d23..7087fb2 100644
--- a/Controller/Relationgraph.php
+++ b/Controller/Relationgraph.php
@@ -60,7 +60,7 @@ protected function traverseGraph(&$graph, $task)
                 'priority' => $task['priority'],
                 'assignee' => $task['assignee_name'] ?: $task['assignee_username'],
                 'color' => $this->colorModel->getColorProperties($task['color_id']),
-                'url' => $this->helper->url->to('TaskViewController', 'show', array('task_id' => $task['id'], 'project_id' => $task['project_id']))
+                'url' => urlencode($this->helper->url->to('TaskViewController', 'show', array('task_id' => $task['id'], 'project_id' => $task['project_id'])))
             ];
         }
 
diff --git a/Makefile b/Makefile
index 62752ef..6196d56 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 plugin=Relationgraph
-version=0.3.0
+version=0.3.1
 
 all:
 	@ echo "Build archive for plugin ${plugin} version=${version}"
diff --git a/Plugin.php b/Plugin.php
index 0a4a253..9f272a8 100644
--- a/Plugin.php
+++ b/Plugin.php
@@ -30,7 +30,7 @@ public function getPluginAuthor()
 
     public function getPluginVersion()
     {
-        return '0.3.0';
+        return '0.3.1';
     }
 
     public function getPluginDescription()