diff --git a/core/class/layout.class.php b/core/class/layout.class.php
index b788678..d910d65 100644
--- a/core/class/layout.class.php
+++ b/core/class/layout.class.php
@@ -364,7 +364,7 @@ class layout extends common
                 && $this->getUser('permission', 'folder', (self::$siteContent === 'home' ? 'homePath' : 'coursePath')) !== 'none'
             ) {
                 $items .= '<wbr>' . template::ico('folder', [
-                    'href' => helper::baseUrl(false) . 'core/vendor/filemanager/dialog.php?type=0&akey=' . md5_file(self::DATA_DIR . 'core.json') . '&lang=' . $this->getData(['user', $this->getUser('id'), 'language']) . '&fldr=/' . self::$siteContent,
+                    'href' => helper::baseUrl(false) . 'core/vendor/filemanager/dialog.php?type=0&akey=' . md5_file(self::DATA_DIR . 'core.json') . '&fldr=/' . self::$siteContent,
                     'margin' => 'all',
                     'attr' => 'data-lity',
                     'help' => 'Fichiers du site'
@@ -533,7 +533,7 @@ class layout extends common
                 && $this->getUser('permission', 'folder', (self::$siteContent === 'home' ? 'homePath' : 'coursePath')) !== 'none'
             ) {
                 $itemsRight .= '<li>' . template::ico('folder', [
-                    'href' => helper::baseUrl(false) . 'core/vendor/filemanager/dialog.php?type=0&akey=' . md5_file(self::DATA_DIR . 'core.json') . '&lang=' . $this->getData(['user', $this->getUser('id'), 'language']) . '&fldr=/' . self::$siteContent,
+                    'href' => helper::baseUrl(false) . 'core/vendor/filemanager/dialog.php?type=0&akey=' . md5_file(self::DATA_DIR . 'core.json') . '&fldr=/' . self::$siteContent,
                     'attr' => 'data-lity',
                     'help' => 'Fichiers du site'
                 ]) . '</li>';
@@ -1086,7 +1086,7 @@ class layout extends common
             ) {
                 $rightItems .= '<li>' . template::ico('folder', [
                     'help' => 'Fichiers',
-                    'href' => helper::baseUrl(false) . 'core/vendor/filemanager/dialog.php?type=0&akey=' . md5_file(self::DATA_DIR . 'core.json') . '&lang=' . $this->getData(['user', $this->getUser('id'), 'language']) . '&fldr=/' . self::$siteContent,
+                    'href' => helper::baseUrl(false) . 'core/vendor/filemanager/dialog.php?type=0&akey=' . md5_file(self::DATA_DIR . 'core.json') . '&fldr=/' . self::$siteContent,
                     'attr' => 'data-lity'
                 ]) . '</li>';
             }
diff --git a/core/class/template.class.php b/core/class/template.class.php
index fae1076..e869f23 100644
--- a/core/class/template.class.php
+++ b/core/class/template.class.php
@@ -364,7 +364,6 @@ class template
                 href="' .
             helper::baseUrl(false) . 'core/vendor/filemanager/dialog.php' .
             '?relative_url=1' .
-            '&lang=' . $attributes['language'] .
             '&field_id=' . $attributes['id'] .
             '&type=' . $attributes['type'] .
             '&akey=' . md5_file(core::DATA_DIR . 'core.json') .
diff --git a/core/module/config/view/backup/backup.php b/core/module/config/view/backup/backup.php
index 4695f27..7297f6b 100644
--- a/core/module/config/view/backup/backup.php
+++ b/core/module/config/view/backup/backup.php
@@ -27,7 +27,7 @@
 					]); ?>
 				</div>
 				<div class="col12">
-					<em>L'archive est générée dans <a href="<?php echo helper::baseUrl(false); ?>core/vendor/filemanager/dialog.php?fldr=backup&type=0&akey=<?php echo md5_file(self::DATA_DIR . 'core.json'); ?>&lang=<?php echo $this->getData(['user', $this->getUser('id'), 'language']);?>" data-lity>le dossier Backup</a> du gestionnaire de fichiers.</em>
+					<em>L'archive est générée dans <a href="<?php echo helper::baseUrl(false); ?>core/vendor/filemanager/dialog.php?fldr=backup&type=0&akey=<?php echo md5_file(self::DATA_DIR . 'core.json'); ?> data-lity>le dossier Backup</a> du gestionnaire de fichiers.</em>
 				</div>
 			</div>
 		</div>
diff --git a/core/module/theme/view/manage/manage.php b/core/module/theme/view/manage/manage.php
index 66c648d..2b4bdd9 100644
--- a/core/module/theme/view/manage/manage.php
+++ b/core/module/theme/view/manage/manage.php
@@ -42,7 +42,7 @@
 	<div class="col6">
 		<div class="block">
 			<h4><?php echo helper::translate('Sauvegarde du thème dans le'); ?>
-				<a href="<?php echo helper::baseUrl(false); ?>core/vendor/filemanager/dialog.php?fldr=theme&type=0&akey=<?php echo md5_file(self::DATA_DIR . 'core.json');?>&lang=<?php echo $this->getData(['user', $this->getUser('id'), 'language']);?>" data-lity>
+				<a href="<?php echo helper::baseUrl(false); ?>core/vendor/filemanager/dialog.php?fldr=theme&type=0&akey=<?php echo md5_file(self::DATA_DIR . 'core.json');?>" data-lity>
 					<?php echo helper::translate('gestionnaire de fichiers'); ?>
 				</a>
 			</h4>
diff --git a/core/vendor/filemanager/config/config.php b/core/vendor/filemanager/config/config.php
index 0ab3b8c..28d61ce 100644
--- a/core/vendor/filemanager/config/config.php
+++ b/core/vendor/filemanager/config/config.php
@@ -19,7 +19,6 @@ setlocale(LC_CTYPE, $lang);
 
 /* Lecture du groupe de l'utilisateur connecté pour attribuer les droits et les dossiers */
 $userId = $_COOKIE['ZWII_USER_ID'];
-$courseId = $_GET['lang'];
 $u = json_decode(file_get_contents('../../../site/data/user.json'), true);
 $g = json_decode(file_get_contents('../../../site/data/profil.json'), true);