diff --git a/inc/statifyblacklist.class.php b/inc/statifyblacklist.class.php
index c9c16b7..39c3a54 100644
--- a/inc/statifyblacklist.class.php
+++ b/inc/statifyblacklist.class.php
@@ -66,7 +66,6 @@ class StatifyBlacklist
       add_filter('plugin_row_meta', array('StatifyBlacklist_Admin', 'plugin_meta_link'), 10, 2);
 
       if (is_multisite()) {
-        register_deactivation_hook(__FILE__, array('StatifyBlacklist_Admin', 'deactivate'));
         add_action('network_admin_menu', array('StatifyBlacklist_Admin', '_add_menu_page'));
         add_filter('network_admin_plugin_action_links', array('StatifyBlacklist_Admin', 'plugin_actions_links'), 10, 2);
       } else {
diff --git a/inc/statifyblacklist_admin.class.php b/inc/statifyblacklist_admin.class.php
index a3cc7a9..bb8ef1f 100644
--- a/inc/statifyblacklist_admin.class.php
+++ b/inc/statifyblacklist_admin.class.php
@@ -1,5 +1,10 @@
 <?php
 
+/**
+ * Statify Blacklist admin configuration
+ *
+ * @since 1.0.0
+ */
 class StatifyBlacklist_Admin extends StatifyBlacklist
 {
   /**
diff --git a/inc/statifyblacklist_system.class.php b/inc/statifyblacklist_system.class.php
index 0562d02..67f2ebb 100644
--- a/inc/statifyblacklist_system.class.php
+++ b/inc/statifyblacklist_system.class.php
@@ -4,7 +4,7 @@
 defined('ABSPATH') OR exit;
 
 /**
- * Statify system configuration
+ * Statify Blacklist system configuration
  *
  * @since 1.0.0
  */
diff --git a/views/settings_page.php b/views/settings_page.php
index d4b2dff..f7b38f7 100644
--- a/views/settings_page.php
+++ b/views/settings_page.php
@@ -2,18 +2,19 @@
 
 /* Update plugin options */
 if ( ! empty($_POST['statifyblacklist']) ) {
-    StatifyBlacklist::update_options(
-      array(
-        'active_referer' => (int)@$_POST['statifyblacklist']['active_referer'],
-        'referer'        => explode("\r\n", $_POST['statifyblacklist']['referer'])
-      )
-    );
+  StatifyBlacklist::update_options(
+    array(
+      'active_referer' => (int)@$_POST['statifyblacklist']['active_referer'],
+      'referer'        => explode("\r\n", $_POST['statifyblacklist']['referer'])
+    )
+  );
 }
 
 ?>
 
 <div class="wrap">
     <h1><?php _e( 'Statify Blacklist', 'statify-blacklist') ?></h1>
+    <?php if (is_plugin_inactive('statify/statify.php')) { print '<div class="notice notice-warning"><p>'; esc_html_e('Statify plugin is not active.', 'statify-blacklist'); print '</p></div>'; } ?>
     <form action="" method="post" id="statify-blacklist-settings">
         <ul style="list-style: none;">
             <li>