diff --git a/modules/backend/models/BackendPreferences.php b/modules/backend/models/BackendPreferences.php
index be0d078ad..ead2502ff 100644
--- a/modules/backend/models/BackendPreferences.php
+++ b/modules/backend/models/BackendPreferences.php
@@ -51,7 +51,7 @@ class BackendPreferences extends Model
             'pt-br' => [Lang::get('system::lang.locale.pt-br'), 'flag-br'],
             'ro' => [Lang::get('system::lang.locale.ro'), 'flag-ro'],
             'ru' => [Lang::get('system::lang.locale.ru'), 'flag-ru'],
-            'se' => [Lang::get('system::lang.locale.se'), 'flag-se'],
+            'sv' => [Lang::get('system::lang.locale.sv'), 'flag-se'],
             'tr' => [Lang::get('system::lang.locale.tr'), 'flag-tr'],
             'pl' => [Lang::get('system::lang.locale.pl'), 'flag-pl'],
             'sk' => [Lang::get('system::lang.locale.sk'), 'flag-sk'],
diff --git a/modules/system/assets/js/lang/lang.hu.js b/modules/system/assets/js/lang/lang.hu.js
index aafe3d0bd..6899a1ca5 100644
--- a/modules/system/assets/js/lang/lang.hu.js
+++ b/modules/system/assets/js/lang/lang.hu.js
@@ -5,5 +5,5 @@ if ($.oc === undefined) $.oc = {}
 if ($.oc.langMessages === undefined) $.oc.langMessages = {}
 $.oc.langMessages['hu'] = $.extend(
     $.oc.langMessages['hu'] || {},
-    {"markdowneditor":{"formatting":"Formatting","quote":"Quote","code":"Code","header1":"Header 1","header2":"Header 2","header3":"Header 3","header4":"Header 4","header5":"Header 5","header6":"Header 6","bold":"Bold","italic":"Italic","unorderedlist":"Unordered List","orderedlist":"Ordered List","video":"Video","image":"Image","link":"Link","horizontalrule":"Insert Horizontal Rule","fullscreen":"Full screen","preview":"Preview"},"mediamanager":{"insert_link":"Insert Media Link","insert_image":"Insert Media Image","insert_video":"Insert Media Video","insert_audio":"Insert Media Audio","invalid_file_empty_insert":"Please select file to insert a links to.","invalid_file_single_insert":"Please select a single file.","invalid_image_empty_insert":"Please select image(s) to insert.","invalid_video_empty_insert":"Please select a video file to insert.","invalid_audio_empty_insert":"Please select an audio file to insert."},"alert":{"confirm_button_text":"OK","cancel_button_text":"Cancel"}}
+    {"markdowneditor":{"formatting":"Forr\u00e1sk\u00f3d","quote":"Id\u00e9zet","code":"K\u00f3d","header1":"F\u0151c\u00edm 1","header2":"F\u0151c\u00edm 2","header3":"F\u0151c\u00edm 3","header4":"F\u0151c\u00edm 4","header5":"F\u0151c\u00edm 5","header6":"F\u0151c\u00edm 6","bold":"F\u00e9lk\u00f6v\u00e9r","italic":"D\u00f6lt","unorderedlist":"Rendezett lista","orderedlist":"Sz\u00e1mozott lista","video":"Vide\u00f3","image":"K\u00e9p","link":"Hivatkoz\u00e1s","horizontalrule":"Vonal besz\u00far\u00e1sa","fullscreen":"Teljes k\u00e9perny\u0151","preview":"El\u0151n\u00e9zet"},"mediamanager":{"insert_link":"Hivatkoz\u00e1s besz\u00far\u00e1sa","insert_image":"K\u00e9p besz\u00far\u00e1sa","insert_video":"Vide\u00f3 besz\u00far\u00e1sa","insert_audio":"Audi\u00f3 besz\u00far\u00e1sa","invalid_file_empty_insert":"Hivatkoz\u00e1s k\u00e9sz\u00edt\u00e9s\u00e9hez jel\u00f6lj\u00f6n ki egy sz\u00f6vegr\u00e9szt.","invalid_file_single_insert":"K\u00e9rj\u00fck jel\u00f6lj\u00f6n ki egy f\u00e1jlt.","invalid_image_empty_insert":"V\u00e1lasszon ki legal\u00e1bb egy k\u00e9pet a besz\u00far\u00e1shoz.","invalid_video_empty_insert":"V\u00e1lasszon ki legal\u00e1bb egy vide\u00f3t a besz\u00far\u00e1shoz.","invalid_audio_empty_insert":"V\u00e1lasszon ki legal\u00e1bb egy audi\u00f3t a besz\u00far\u00e1shoz."},"alert":{"confirm_button_text":"OK","cancel_button_text":"M\u00e9gsem"}}
 );
\ No newline at end of file
diff --git a/modules/system/assets/js/lang/lang.se.js b/modules/system/assets/js/lang/lang.sv.js
similarity index 88%
rename from modules/system/assets/js/lang/lang.se.js
rename to modules/system/assets/js/lang/lang.sv.js
index fee3911fd..6ebb84fa7 100644
--- a/modules/system/assets/js/lang/lang.se.js
+++ b/modules/system/assets/js/lang/lang.sv.js
@@ -1,9 +1,9 @@
 /*
- * This file has been compiled from: /modules/system/lang/se/client.php
+ * This file has been compiled from: /modules/system/lang/sv/client.php
  */
 if ($.oc === undefined) $.oc = {}
 if ($.oc.langMessages === undefined) $.oc.langMessages = {}
-$.oc.langMessages['se'] = $.extend(
-    $.oc.langMessages['se'] || {},
+$.oc.langMessages['sv'] = $.extend(
+    $.oc.langMessages['sv'] || {},
     {"markdowneditor":{"formatting":"Formatting","quote":"Quote","code":"Code","header1":"Header 1","header2":"Header 2","header3":"Header 3","header4":"Header 4","header5":"Header 5","header6":"Header 6","bold":"Bold","italic":"Italic","unorderedlist":"Unordered List","orderedlist":"Ordered List","video":"Video","image":"Image","link":"Link","horizontalrule":"Insert Horizontal Rule","fullscreen":"Full screen","preview":"Preview"},"mediamanager":{"insert_link":"Insert Media Link","insert_image":"Insert Media Image","insert_video":"Insert Media Video","insert_audio":"Insert Media Audio","invalid_file_empty_insert":"Please select file to insert a links to.","invalid_file_single_insert":"Please select a single file.","invalid_image_empty_insert":"Please select image(s) to insert.","invalid_video_empty_insert":"Please select a video file to insert.","invalid_audio_empty_insert":"Please select an audio file to insert."},"alert":{"confirm_button_text":"OK","cancel_button_text":"Cancel"}}
 );
\ No newline at end of file
diff --git a/modules/system/lang/de/lang.php b/modules/system/lang/de/lang.php
index b695f051c..67e3c77ca 100644
--- a/modules/system/lang/de/lang.php
+++ b/modules/system/lang/de/lang.php
@@ -9,7 +9,7 @@ return [
         'en' => 'English',
         'nl' => 'Dutch',
         'ja' => 'Japanese',
-        'se' => 'Swedish',
+        'sv' => 'Swedish',
         'tr' => 'Turkish',
         'de' => 'German',
         'ru' => 'Russian',
diff --git a/modules/system/lang/el/lang.php b/modules/system/lang/el/lang.php
index 3fb01307b..562f81701 100644
--- a/modules/system/lang/el/lang.php
+++ b/modules/system/lang/el/lang.php
@@ -23,7 +23,7 @@ return [
         'pt-br' => 'Πορτογαλικά (Βραζιλία)',
         'ro' => 'Ρουμανικά',
         'ru' => 'Ρωσικά',
-        'se' => 'Σουηδικά',
+        'sv' => 'Σουηδικά',
         'sk' => 'Σλοβάκικα (Σλοβακία)',
         'tr' => 'Τουρκικά',
         'zh-cn' => 'Κινέζικα (Κίνα)',
diff --git a/modules/system/lang/en/lang.php b/modules/system/lang/en/lang.php
index 67db14089..aba954258 100644
--- a/modules/system/lang/en/lang.php
+++ b/modules/system/lang/en/lang.php
@@ -24,7 +24,7 @@ return [
         'pt-br' => 'Portuguese (Brazil)',
         'ro' => 'Romanian',
         'ru' => 'Russian',
-        'se' => 'Swedish',
+        'sv' => 'Swedish',
         'sk' => 'Slovak (Slovakia)',
         'tr' => 'Turkish',
         'zh-cn' => 'Chinese (China)',
diff --git a/modules/system/lang/es-ar/lang.php b/modules/system/lang/es-ar/lang.php
index 159314188..fc5438f57 100644
--- a/modules/system/lang/es-ar/lang.php
+++ b/modules/system/lang/es-ar/lang.php
@@ -9,7 +9,7 @@ return [
         'en' => 'Inglés',
         'nl' => 'Holandés',
         'ja' => 'Japonés',
-        'se' => 'Suizo',
+        'sv' => 'Suizo',
         'tr' => 'Turco',
         'de' => 'Alemán',
         'ru' => 'Ruso',
diff --git a/modules/system/lang/es/lang.php b/modules/system/lang/es/lang.php
index a7608316d..921405ac1 100644
--- a/modules/system/lang/es/lang.php
+++ b/modules/system/lang/es/lang.php
@@ -9,7 +9,7 @@ return [
         'en'    => 'Inglés',
         'nl'    => 'Holandés',
         'ja'    => 'Japonés',
-        'se'    => 'Sueco',
+        'sv'    => 'Sueco',
         'tr'    => 'Turco',
         'br'    => 'Portugués Brasileño',
         'de'    => 'Alemán',
diff --git a/modules/system/lang/fa/lang.php b/modules/system/lang/fa/lang.php
index 5072aeafe..daa9b61ef 100644
--- a/modules/system/lang/fa/lang.php
+++ b/modules/system/lang/fa/lang.php
@@ -23,7 +23,7 @@ return [
         'pt-br' => 'پرتغالی برزیل',
         'ro' => 'رومانیایی',
         'ru' => 'روسی',
-        'se' => 'سوئدی',
+        'sv' => 'سوئدی',
         'sk' => 'اسلواکی',
         'tr' => 'ترکی',
         'zh-cn' => 'چینی',
diff --git a/modules/system/lang/fr/lang.php b/modules/system/lang/fr/lang.php
index a8970ebfe..b4d515eb4 100644
--- a/modules/system/lang/fr/lang.php
+++ b/modules/system/lang/fr/lang.php
@@ -24,7 +24,7 @@ return [
         'pt-br' => 'Portugais-Brésilien',
         'ro' => 'Roumain',
         'ru' => 'Russe',
-        'se' => 'Suédois',
+        'sv' => 'Suédois',
         'sk' => 'Slovaque (Slovaquie)',
         'tr' => 'Turque',
         'zh-cn' => 'Chinois (Chine)',
diff --git a/modules/system/lang/hu/lang.php b/modules/system/lang/hu/lang.php
index 850c6f630..d4dd9656e 100644
--- a/modules/system/lang/hu/lang.php
+++ b/modules/system/lang/hu/lang.php
@@ -24,7 +24,7 @@ return [
         'pt-br' => 'Portugál (brazíl)',
         'ro' => 'Román',
         'ru' => 'Orosz',
-        'se' => 'Svéd',
+        'sv' => 'Svéd',
         'sk' => 'Szlovák',
         'tr' => 'Török',
         'zh-cn' => 'Kínai',
diff --git a/modules/system/lang/id/lang.php b/modules/system/lang/id/lang.php
index 2f8ada28d..deec10fbe 100644
--- a/modules/system/lang/id/lang.php
+++ b/modules/system/lang/id/lang.php
@@ -21,7 +21,7 @@ return [
         'pt-br' => 'Portugis (Brazil)',
         'ro' => 'Romania',
         'ru' => 'Rusia',
-        'se' => 'Swedia',
+        'sv' => 'Swedia',
         'sk' => 'Slowakia (Slovakia)',
         'tr' => 'Turki',
         'nb-no' => 'Norwegian (Bokmål)'
diff --git a/modules/system/lang/it/lang.php b/modules/system/lang/it/lang.php
index 659cd12b5..4d64bfa6f 100644
--- a/modules/system/lang/it/lang.php
+++ b/modules/system/lang/it/lang.php
@@ -23,7 +23,7 @@ return [
         'pt-br' => 'Portoghese (Brasile)',
         'ro' => 'Romeno',
         'ru' => 'Russo',
-        'se' => 'Svedese',
+        'sv' => 'Svedese',
         'sk' => 'Slovacco (Slovacchia)',
         'tr' => 'Turco',
         'zh-cn' => 'Cinese (Cina)',
diff --git a/modules/system/lang/ja/lang.php b/modules/system/lang/ja/lang.php
index b7ee6ddd9..9e6117739 100644
--- a/modules/system/lang/ja/lang.php
+++ b/modules/system/lang/ja/lang.php
@@ -19,7 +19,7 @@ return [
         'pt-br' => 'Brazilian Portuguese',
         'ro' => 'Romanian',
         'ru' => 'Russian',
-        'se' => 'Swedish',
+        'sv' => 'Swedish',
         'tr' => 'Turkish',
         'nb-no' => 'Norwegian (Bokmål)'
     ],
diff --git a/modules/system/lang/lv/lang.php b/modules/system/lang/lv/lang.php
index 51b371eb5..35c856332 100644
--- a/modules/system/lang/lv/lang.php
+++ b/modules/system/lang/lv/lang.php
@@ -23,7 +23,7 @@ return [
         'pt-br' => 'Portuguese (Brazil)',
         'ro' => 'Romanian',
         'ru' => 'Russian',
-        'se' => 'Swedish',
+        'sv' => 'Swedish',
         'sk' => 'Slovak (Slovakia)',
         'tr' => 'Turkish',
         'zh-cn' => 'Chinese (China)',
diff --git a/modules/system/lang/nb-no/lang.php b/modules/system/lang/nb-no/lang.php
index c5e5f9149..f8c36aca5 100644
--- a/modules/system/lang/nb-no/lang.php
+++ b/modules/system/lang/nb-no/lang.php
@@ -21,7 +21,7 @@ return [
         'pt-br' => 'Brasiliansk Portugisk',
         'ro' => 'Rumensk',
         'ru' => 'Russisk',
-        'se' => 'Svensk',
+        'sv' => 'Svensk',
         'sk' => 'Slovak (Slovakia)',
         'tr' => 'Tyrkisk',
         'nb-no' => 'Norsk (Bokmål)',
diff --git a/modules/system/lang/nl/lang.php b/modules/system/lang/nl/lang.php
index f042ad3f3..5cdb6b7dd 100644
--- a/modules/system/lang/nl/lang.php
+++ b/modules/system/lang/nl/lang.php
@@ -9,7 +9,7 @@ return [
         'en' => 'Engels',
         'nl' => 'Nederlands',
         'ja' => 'Japans',
-        'se' => 'Zweeds',
+        'sv' => 'Zweeds',
         'tr' => 'Turks',
         'de' => 'Duits',
         'ru' => 'Russisch',
diff --git a/modules/system/lang/pl/lang.php b/modules/system/lang/pl/lang.php
index e6fe6e51a..28d387aa2 100644
--- a/modules/system/lang/pl/lang.php
+++ b/modules/system/lang/pl/lang.php
@@ -23,7 +23,7 @@ return [
         'pt-br' => 'Brazylisjki Portugalski',
         'ro' => 'Rumuński',
         'ru' => 'Rosyjski',
-        'se' => 'Szwedzki',
+        'sv' => 'Szwedzki',
 		'sk' => 'Słowacki (Słowacja)',
         'tr' => 'Turecki',
         'zh-cn' => 'Chiński (Chiny)'
diff --git a/modules/system/lang/pt-br/lang.php b/modules/system/lang/pt-br/lang.php
index 067e4024d..93b0a68f8 100644
--- a/modules/system/lang/pt-br/lang.php
+++ b/modules/system/lang/pt-br/lang.php
@@ -23,7 +23,7 @@ return [
         'pt-br' => 'Português (Brasil)',
         'ro' => 'Romeno',
         'ru' => 'Russo',
-        'se' => 'Sueco',
+        'sv' => 'Sueco',
         'sk' => 'Eslovaco',
         'tr' => 'Turco',
         'zh-cn' => 'Chinês (China)',
diff --git a/modules/system/lang/ru/lang.php b/modules/system/lang/ru/lang.php
index b7eb24aa1..fd3e0ed8f 100644
--- a/modules/system/lang/ru/lang.php
+++ b/modules/system/lang/ru/lang.php
@@ -23,7 +23,7 @@ return [
         'pt-br' => 'Portuguese (Brazil)',
         'ro' => 'Romanian',
         'ru' => 'Russian',
-        'se' => 'Swedish',
+        'sv' => 'Swedish',
         'sk' => 'Slovak (Slovakia)',
         'tr' => 'Turkish',
         'zh-cn' => 'Chinese (China)',
diff --git a/modules/system/lang/sv/lang.php b/modules/system/lang/sv/lang.php
index 24e5b8562..d92a6bbd8 100644
--- a/modules/system/lang/sv/lang.php
+++ b/modules/system/lang/sv/lang.php
@@ -21,7 +21,7 @@ return [
         'pt-br' => 'Brazilian Portuguese',
         'ro' => 'Romanian',
         'ru' => 'Russian',
-        'se' => 'Swedish',
+        'sv' => 'Swedish',
         'sk' => 'Slovak (Slovakia)',
         'tr' => 'Turkish',
         'nb-no' => 'Norska (Bokmål)'
diff --git a/modules/system/lang/tr/lang.php b/modules/system/lang/tr/lang.php
index ca8a09988..b511c0241 100644
--- a/modules/system/lang/tr/lang.php
+++ b/modules/system/lang/tr/lang.php
@@ -19,7 +19,7 @@ return [
         'pt-br' => 'Português (Brasil)',
         'ro' => 'Română (România)',
         'ru' => 'Русский (Россия - Russia)',
-        'se' => 'Svenska (Sverige)',
+        'sv' => 'Svenska (Sverige)',
         'tr' => 'Türkçe (Türkiye)',
         'nb-no' => 'Norwegian (Bokmål)'
     ],
diff --git a/modules/system/lang/zh-cn/lang.php b/modules/system/lang/zh-cn/lang.php
index 7ccc45fe0..7a2d24196 100644
--- a/modules/system/lang/zh-cn/lang.php
+++ b/modules/system/lang/zh-cn/lang.php
@@ -23,7 +23,7 @@ return [
         'pt-br' => 'Portuguese (Brazil)',
         'ro' => 'Romanian',
         'ru' => 'Russian',
-        'se' => 'Swedish',
+        'sv' => 'Swedish',
         'sk' => 'Slovak (Slovakia)',
         'tr' => 'Turkish',
         'zh-cn' => '简体中文',
diff --git a/modules/system/lang/zh-tw/lang.php b/modules/system/lang/zh-tw/lang.php
index fd902ebb6..9f5648340 100644
--- a/modules/system/lang/zh-tw/lang.php
+++ b/modules/system/lang/zh-tw/lang.php
@@ -23,7 +23,7 @@ return [
         'pt-br' => 'Portuguese (Brazil)',
         'ro' => 'Romanian',
         'ru' => 'Russian',
-        'se' => 'Swedish',
+        'sv' => 'Swedish',
         'sk' => 'Slovak (Slovakia)',
         'tr' => 'Turkish',
         'zh-cn' => 'Chinese (China)',