diff --git a/classes/SubscriberService.php b/classes/SubscriberService.php
index c77c485..8de9258 100644
--- a/classes/SubscriberService.php
+++ b/classes/SubscriberService.php
@@ -9,19 +9,22 @@ trait SubscriberService
     /**
      * Handles subscriber registration
      * either by registration in the frontend or by creating in the backend
+     * 
      * @param $subscriber
-     * @param $listOfCategoryIds array of subscribing Ids
+     * @param $listOfCategoryIds array of subscribing ids
      * @return void
      */
-    public function onSubscriberRegister($subscriber, $listOfCategoryIds = [])
+    public function onSubscriberRegister($subscriber, $listOfCategoryIds)
     {
         // Register category
-        foreach ($listOfCategoryIds as $category) {
-            if (is_numeric($category) && Categories::where(['id' => $category, 'hidden' => 2])->count() == 1 && Db::table('indikator_news_relations')->where(['subscriber_id' => $subscriber->id, 'categories_id' => $category])->count() == 0) {
-                Db::table('indikator_news_relations')->insertGetId([
-                    'subscriber_id' => $subscriber->id,
-                    'categories_id' => $category
-                ]);
+        if (is_array($listOfCategoryIds)) {
+            foreach ($listOfCategoryIds as $category) {
+                if (is_numeric($category) && Categories::where(['id' => $category, 'hidden' => 2])->count() == 1 && Db::table('indikator_news_relations')->where(['subscriber_id' => $subscriber->id, 'categories_id' => $category])->count() == 0) {
+                    Db::table('indikator_news_relations')->insertGetId([
+                        'subscriber_id' => $subscriber->id,
+                        'categories_id' => $category
+                    ]);
+                }
             }
         }
 
diff --git a/components/Post.php b/components/Post.php
index c1f74da..51dcdb0 100644
--- a/components/Post.php
+++ b/components/Post.php
@@ -76,7 +76,7 @@ protected function loadPost()
         $this->page->meta_image_src = $post->image;
 
         // Create keyword list, from category name and tag list.
-        $post_keywords = $post->category->name.', ';
+        $post_keywords = isset($post->category->name) ? $post->category->name.', ' : '';
         foreach ($post->tags as $key => $tag) {
             $post_keywords .= $tag;
             if ($key != (count($post->tags) - 1)) {
diff --git a/components/Subscribe.php b/components/Subscribe.php
index 2993447..ea46229 100644
--- a/components/Subscribe.php
+++ b/components/Subscribe.php
@@ -42,9 +42,8 @@ public function onSubscription()
 
         // Validate input data
         $rules = [
-            'name'     => 'required|between:2,64',
-            'email'    => 'required|email|between:8,64',
-            'category' => 'array'
+            'name'  => 'required|between:2,64',
+            'email' => 'required|email|between:8,64'
         ];
 
         $validation = Validator::make($data, $rules);
@@ -52,11 +51,12 @@ public function onSubscription()
             throw new ValidationException($validation);
         }
 
-        $email = post('email');
+        // Get input data
         $name  = post('name');
+        $email = post('email');
         $categories = post('category', []);
 
-        // looking for existing subscriber
+        // Looking for existing subscriber
         $subscriberResult = Subscribers::email($email);
 
         if ($subscriberResult->count() > 0) {
@@ -64,17 +64,17 @@ public function onSubscription()
             // Update the name
             $subscriber->name = $name;
         }
+        // Register new one
         else {
-            // Register new one
             $subscriber = Subscribers::create([
                 'name'          => $name,
                 'email'         => $email,
-                'common'        => '',
+                'comment'       => '',
                 'locale'        => App::getLocale(),
                 'created'       => 2,
                 'statistics'    => 0,
-                'created_at'    => date('Y-m-d H:i:s'),
-                'updated_at'    => date('Y-m-d H:i:s'),
+                'created_at'    => now(),
+                'updated_at'    => now(),
                 'registered_at' => now(),
                 'registered_ip' => Request::ip(),
                 'status'        => 3
diff --git a/components/subscribe/default.htm b/components/subscribe/default.htm
index 9f80a47..10d10a4 100644
--- a/components/subscribe/default.htm
+++ b/components/subscribe/default.htm
@@ -1,4 +1,4 @@
-<form data-request="onSubscription" data-request-success="alert('{{ text_messages }}')">
+<form data-request="onSubscription" data-request-success="alert('{{ text_messages }}');$('#subscriptionForm').trigger('reset');" id="subscriptionForm">
     <div class="form-group">
         <label for="subscribersName">{{ text_name }}</label>
         <input name="name" type="text" class="form-control" id="subscribersName" required>
diff --git a/updates/version.yaml b/updates/version.yaml
index e7e541c..e370ef5 100644
--- a/updates/version.yaml
+++ b/updates/version.yaml
@@ -130,3 +130,4 @@
 1.11.6:
     - Improved the list filters.
     - common_rename_comment.php
+1.11.7: Improved the frontend components.