diff --git a/Admin/Install/Navigation.install.json b/Admin/Install/Navigation.install.json
index 0e47048..5aece23 100644
--- a/Admin/Install/Navigation.install.json
+++ b/Admin/Install/Navigation.install.json
@@ -5,7 +5,7 @@
         "type": 1,
         "subtype": 1,
         "name": "Calendar",
-        "uri": "{/base}/{/lang}/backend/calendar/dashboard?{?}",
+        "uri": "/{/lang}/backend/calendar/dashboard?{?}",
         "target": "self",
         "icon": "fa fa-calendar",
         "order": 10,
@@ -20,7 +20,7 @@
         "type": 2,
         "subtype": 1,
         "name": "Calendar",
-        "uri": "{/base}/{/lang}/backend/calendar/dashboard?{?}",
+        "uri": "/{/lang}/backend/calendar/dashboard?{?}",
         "target": "self",
         "icon": null,
         "order": 30,
diff --git a/Controller.php b/Controller.php
index 8489bfc..fc92d97 100644
--- a/Controller.php
+++ b/Controller.php
@@ -114,7 +114,7 @@ class Controller extends ModuleAbstract implements WebInterface
 
         /** @var Head $head */
         $head = $response->get('Content')->getData('head');
-        $head->addAsset(AssetType::CSS, $request->getUri()->getBase() . 'Modules/Calendar/Theme/Backend/css/styles.css');
+        $head->addAsset(AssetType::CSS, '/Modules/Calendar/Theme/Backend/css/styles.css');
 
         $view->setTemplate('/Modules/Calendar/Theme/Backend/calendar-dashboard');
         $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1001201001, $request, $response));
@@ -143,7 +143,7 @@ class Controller extends ModuleAbstract implements WebInterface
     {
         /** @var Head $head */
         $head = $response->get('Content')->getData('head');
-        $head->addAsset(AssetType::CSS, $request->getUri()->getBase() . 'Modules/Calendar/Theme/Backend/css/styles.css');
+        $head->addAsset(AssetType::CSS, '/Modules/Calendar/Theme/Backend/css/styles.css');
 
         $view = new View($this->app, $request, $response);
         $view->setTemplate('/Modules/Calendar/Theme/Backend/dashboard-calendar');
diff --git a/Theme/Backend/calendar-dashboard.tpl.php b/Theme/Backend/calendar-dashboard.tpl.php
index c349293..b9fcf39 100644
--- a/Theme/Backend/calendar-dashboard.tpl.php
+++ b/Theme/Backend/calendar-dashboard.tpl.php
@@ -5,8 +5,8 @@ $calendar = $this->getData('calendar');
     <div class="col-xs-12 col-md-9">
         <div class="box wf-100">
             <ul class="btns floatLeft">
-                <li><a href="<?= $this->printHtml(\phpOMS\Uri\UriFactory::build('{/base}/{/lang}/backend/calendar/dashboard?date=' . $calendar->getDate()->createModify(0, -1, 0)->format('Y-m-d'))); ?>"><i class="fa fa-arrow-left"></i></a>
-                <li><a href="<?= $this->printHtml(\phpOMS\Uri\UriFactory::build('{/base}/{/lang}/backend/calendar/dashboard?date=' . $calendar->getDate()->createModify(0, 1, 0)->format('Y-m-d'))); ?>"><i class="fa fa-arrow-right"></i></a>
+                <li><a href="<?= $this->printHtml(\phpOMS\Uri\UriFactory::build('/{/lang}/backend/calendar/dashboard?date=' . $calendar->getDate()->createModify(0, -1, 0)->format('Y-m-d'))); ?>"><i class="fa fa-arrow-left"></i></a>
+                <li><a href="<?= $this->printHtml(\phpOMS\Uri\UriFactory::build('/{/lang}/backend/calendar/dashboard?date=' . $calendar->getDate()->createModify(0, 1, 0)->format('Y-m-d'))); ?>"><i class="fa fa-arrow-right"></i></a>
             </ul>
             <ul class="btns floatRight">
                 <li><a href=""><?= $this->getHtml('Day'); ?></a>