diff --git a/Controller/WikiFileViewController.php b/Controller/WikiFileViewController.php
index 5776b1c..247c0d7 100644
--- a/Controller/WikiFileViewController.php
+++ b/Controller/WikiFileViewController.php
@@ -5,12 +5,7 @@
 use Kanboard\Core\ObjectStorage\ObjectStorageException;
 use Kanboard\Controller\BaseController;
 
-/**
- * File Viewer Controller
- *
- * @package  Kanbaord\Controller
- * @author   Frederic Guillot
- */
+
 class WikiFileViewController extends BaseController
 {
     /**
@@ -66,7 +61,7 @@ protected function renderFileWithCache(array $file, $mimetype)
      */
     public function show()
     {
-        $file = $file = $this->wikiFile->getById($this->request->getIntegerParam('fid'));
+        $file = $this->wikiFile->getById($this->request->getIntegerParam('fid'));
         $type = $this->helper->file->getPreviewType($file['name']);
         $params = array('file_id' => $file['id'], 'project_id' => $this->request->getIntegerParam('project_id'));
 
@@ -89,7 +84,7 @@ public function show()
      */
     public function image()
     {
-        $file = $this->wikiFile->getById($this->request->getIntegerParam('fid'));
+        $file = $this->wikiFile->getById($this->request->getIntegerParam('file_id'));
         $this->renderFileWithCache($file, $this->helper->file->getImageMimeType($file['name']));
     }
 
@@ -111,7 +106,7 @@ public function browser()
      */
     public function thumbnail()
     {
-        $file = $this->wikiFile->getById($this->request->getIntegerParam('fid'));
+        $file = $this->wikiFile->getById($this->request->getIntegerParam('file_id'));
         $model = 'wikiFile';
         $filename = $this->$model->getThumbnailPath($file['path']);
         $etag = md5($filename);
@@ -147,7 +142,7 @@ public function thumbnail()
     public function download()
     {
         try {
-            $file = $this->wikiFile->getById($this->request->getIntegerParam('fid'));
+            $file = $this->wikiFile->getById($this->request->getIntegerParam('file_id'));
             $file['model'] = 'wikiFile';
             $this->response->withFileDownload($file['name']);
             $this->response->send();
diff --git a/Model/WikiFile.php b/Model/WikiFile.php
index 79f5012..5a67e6f 100644
--- a/Model/WikiFile.php
+++ b/Model/WikiFile.php
@@ -106,4 +106,8 @@ protected function fireCreationEvent($file_id)
         return null;
     }
     
+    protected function fireDestructionEvent($file_id)
+    {
+        return null;
+    }
 }
diff --git a/Plugin.php b/Plugin.php
index df0a189..47813e6 100755
--- a/Plugin.php
+++ b/Plugin.php
@@ -38,6 +38,8 @@ public function initialize()
         $this->template->hook->attach('template:project-list:menu:after', 'wiki:wiki_list/menu');
 
         $this->template->hook->attach('template:header:dropdown', 'wiki:header/dropdown');
+        
+        $this->template->setTemplateOverride('file_viewer/show', 'wiki:file_viewer/show');
 
         $this->hook->on('template:layout:css', array('template' => 'plugins/Wiki/Asset/css/wiki.css'));
         $this->hook->on('template:layout:js', array('template' => 'plugins/Wiki/Asset/Javascript/wiki.js'));
diff --git a/Template/file_viewer/show.php b/Template/file_viewer/show.php
new file mode 100644
index 0000000..05c9eb3
--- /dev/null
+++ b/Template/file_viewer/show.php
@@ -0,0 +1,14 @@
+<div class="page-header">
+    <h2><?= $this->text->e($file['name']) ?></h2>
+</div>
+<div class="file-viewer">
+    <?php if ($file['is_image']): ?>
+        <img src="<?= $this->url->href('WikiFileViewController', 'image', $params, array('plugin' => 'wiki', 'project_id' => $wiki['project_id'], 'wikipage_id' => $wiki['id'], 'file_id' => $file['id']) ?>" alt="<?= $this->text->e($file['name']) ?>">
+    <?php elseif ($type === 'markdown'): ?>
+        <article class="markdown">
+            <?= $this->text->markdown($content) ?>
+        </article>
+    <?php elseif ($type === 'text'): ?>
+        <pre><?= $content ?></pre>
+    <?php endif ?>
+</div>
diff --git a/Template/wiki_file/images.php b/Template/wiki_file/images.php
index 6ef28fb..2188aec 100644
--- a/Template/wiki_file/images.php
+++ b/Template/wiki_file/images.php
@@ -7,9 +7,9 @@
                     'image' => $file,
                     'regex' => 'FILE_ID',
                     'url' => array(
-                        'image' => $this->url->to('WikiFileViewController', 'image', array('plugin' => 'wiki', 'file_id' => 'FILE_ID', 'project_id' => $wiki['project_id'], 'wikipage_id' => $wiki['id'], 'fid' => $file['id'])),
-                        'thumbnail' => $this->url->to('WikiFileViewController', 'thumbnail', array('plugin' => 'wiki', 'file_id' => 'FILE_ID', 'project_id' => $wiki['project_id'], 'wikipage_id' => $wiki['id'], 'fid' => $file['id'])),
-                        'download' => $this->url->to('WikiFileViewController', 'download', array('plugin' => 'wiki', 'file_id' => 'FILE_ID', 'project_id' => $wiki['project_id'], 'wikipage_id' => $wiki['id'], 'fid' => $file['id'])),
+                        'image' => $this->url->to('WikiFileViewController', 'image', array('plugin' => 'wiki', 'file_id' => 'FILE_ID', 'project_id' => $wiki['project_id'], 'wikipage_id' => $wiki['id'])),
+                        'thumbnail' => $this->url->to('WikiFileViewController', 'thumbnail', array('plugin' => 'wiki', 'file_id' => 'FILE_ID', 'project_id' => $wiki['project_id'], 'wikipage_id' => $wiki['id'])),
+                        'download' => $this->url->to('WikiFileViewController', 'download', array('plugin' => 'wiki', 'file_id' => 'FILE_ID', 'project_id' => $wiki['project_id'], 'wikipage_id' => $wiki['id'])),
                     )
                 )) ?>
 
@@ -19,7 +19,7 @@
                             <a href="#" class="dropdown-menu dropdown-menu-link-text" title="<?= $this->text->e($file['name']) ?>"><?= $this->text->e($file['name']) ?> <i class="fa fa-caret-down"></i></a>
                             <ul>
                                 <li>
-                                    <?= $this->url->icon('download', t('Download'), 'WikiFileViewController', 'download', array('plugin' => 'wiki', 'wikipage_id' => $wiki['id'], 'project_id' => $wiki['project_id'], 'file_id' => $file['id'], 'fid' => $file['id'])) ?>
+                                    <?= $this->url->icon('download', t('Download'), 'WikiFileViewController', 'download', array('plugin' => 'wiki', 'wikipage_id' => $wiki['id'], 'project_id' => $wiki['project_id'], 'file_id' => $file['id'], 'file_id' => $file['id'])) ?>
                                 </li>
                                 <?php if ($this->user->hasProjectAccess('WikiFileController', 'remove', $wiki['project_id'])): ?>
                                     <li>