diff --git a/db/caches_new-138663a97365c4dd6f1c127b341b7b3ec1568049.php b/db/caches.php
similarity index 99%
rename from db/caches_new-138663a97365c4dd6f1c127b341b7b3ec1568049.php
rename to db/caches.php
index abb4dc8..d453aba 100644
--- a/db/caches_new-138663a97365c4dd6f1c127b341b7b3ec1568049.php
+++ b/db/caches.php
@@ -26,4 +26,5 @@
         'mode' => cache_store::MODE_APPLICATION,
         'ttl' => HOURSECS,
     ),
-);
\ No newline at end of file
+);
+
diff --git a/filter.php b/filter.php
index f3b1d37..67f3b11 100644
--- a/filter.php
+++ b/filter.php
@@ -380,7 +380,7 @@ function filter_oembed_swaycallback($link) {
  * @return mixed|null|string The HTTP response object from the OEmbed request.
  */
 function filter_oembed_curlcall($url) {
-    static $cache;
+   static $cache;
 
     if (!isset($cache)) {
         $cache = cache::make('filter_oembed', 'embeddata');
diff --git a/settings.php b/settings.php
index 01bee08..30e0879 100644
--- a/settings.php
+++ b/settings.php
@@ -63,9 +63,9 @@
 
     $item = new admin_setting_configcheckbox('filter_oembed/lazyload', new lang_string('lazyload', 'filter_oembed'), '', 0);
     $settings->add($item);
-    $retrylist = array('0' => get_string('none'), '1' => get_string('once', 'filter_oembed'),
-                                                  '2' => get_string('times', 'filter_oembed', '2'),
-                                                  '3' => get_string('times', 'filter_oembed', '3'));
+    $retrylist = array('0' => new lang_string('none'), '1' => new lang_string('once', 'filter_oembed'),
+                                                  '2' => new lang_string('times', 'filter_oembed', '2'),
+                                                  '3' => new lang_string('times', 'filter_oembed', '3'));
     $item = new admin_setting_configselect('filter_oembed/retrylimit', new lang_string('retrylimit', 'filter_oembed'), '', '1', $retrylist);
     $settings->add($item);
 }