diff --git a/core/core.php b/core/core.php
index 45340442..4951e9d5 100644
--- a/core/core.php
+++ b/core/core.php
@@ -158,6 +158,7 @@ class common {
 		'pt'	=> 'Portugais (pt)',
 	];
 	// Langue du contenu courante
+	public static $i18nContent;
 	public static $i18n;
 	// Langue de l'interface, tableau des dialogues
 	public static $dialog;
@@ -267,14 +268,14 @@ class common {
 			$this->input['_COOKIE'] = $_COOKIE;
 		}
 
-		// Déterminer la langue sélectionnée pour le chargement des fichiers de données
+		// Déterminer la langue du contenu du site
 		if (isset($this->input['_COOKIE']['ZWII_I18N_SITE'])
 		) {
-			self::$i18n = $this->input['_COOKIE']['ZWII_I18N_SITE'];
-			setlocale (LC_TIME, self::$i18n . '_' . strtoupper (self::$i18n) );
+			self::$i18nContent = $this->input['_COOKIE']['ZWII_I18N_SITE'];
+			setlocale (LC_TIME, self::$i18nContent . '_' . strtoupper (self::$i18nContent) );
 
 		} else  {
-			self::$i18n = 'fr';
+			self::$i18nContent = '';
 		}
 
 		// Instanciation de la classe des entrées / sorties
@@ -283,19 +284,26 @@ class common {
 			// Constructeur  JsonDB
 			$this->dataFiles[$keys] = new \Prowebcraft\JsonDb([
 				'name' => $keys . '.json',
-				'dir' => $this->dataPath ($keys, self::$i18n),
+				'dir' => $this->dataPath ($keys, self::$i18nContent),
 				'backup' => file_exists('site/data/.backup')
 			]);;
 		}
 
+		// Langue de l'administration
+		self::$i18n = $this->getData(['config', 'i18n', 'default']);
+		// La langue par défaut du contenu est celle du site si le cookie est absent.
+		if (self::$i18nContent === '') {
+			self::$i18nContent = self::$i18n;
+		}
+
 		// Installation fraîche, initialisation des modules manquants
 		// La langue d'installation par défaut est fr
 		foreach ($this->dataFiles as $stageId => $item) {
-			$folder = $this->dataPath ($stageId, self::$i18n);
+			$folder = $this->dataPath ($stageId, self::$i18nContent);
 			if ( file_exists($folder . $stageId .'.json') === false ||
 					$this->getData([$stageId]) === NULL
 				) {
-				$this->initData($stageId, self::$i18n);
+				$this->initData($stageId, self::$i18nContent);
 				common::$coreNotices [] = $stageId ;
 			}
 		}
@@ -1576,7 +1584,7 @@ class common {
 		) {
 			if (
 				$this->getData(['user', $this->getUser('id') , 'files']) === true
-			) { 
+			) {
 				$itemsRight .= '<li>' . template::ico('folder',	[
 					'href' => helper::baseUrl(false) . 'core/vendor/filemanager/dialog.php?type=0&akey=' . md5_file(self::DATA_DIR.'core.json'),
 					'attr' => 'data-lity',
@@ -2737,7 +2745,7 @@ class core extends common {
 		) {
 			$this->addOutput([
 				'title' => $title,
-				'content' => 	$this->getPage($this->getUrl(0), self::$i18n) .
+				'content' => 	$this->getPage($this->getUrl(0), self::$i18nContent) .
 								// Concatène avec les paramètres avancés.
 								$this->getData(['page', $this->getUrl(0), 'css']) .
 								$this->getData(['page', $this->getUrl(0), 'js']),
@@ -2747,10 +2755,10 @@ class core extends common {
 				'iconUrl' => $this->getData(['page', $this->getUrl(0), 'iconUrl']),
 				'disable' => $this->getData(['page', $this->getUrl(0), 'disable']),
 				'contentRight' => $this->getData(['page',$this->getUrl(0),'barRight'])
-									? $this->getPage($this->getData(['page',$this->getUrl(0),'barRight']), self::$i18n)
+									? $this->getPage($this->getData(['page',$this->getUrl(0),'barRight']), self::$i18nContent)
 									: '',
 				'contentLeft'  => $this->getData(['page',$this->getUrl(0),'barLeft'])
-									? $this->getPage($this->getData(['page',$this->getUrl(0),'barLeft']), self::$i18n)
+									? $this->getPage($this->getData(['page',$this->getUrl(0),'barLeft']), self::$i18nContent)
 									: ''
 			]);
 		}
@@ -2771,13 +2779,13 @@ class core extends common {
 					'iconUrl' => $this->getData(['page', $this->getUrl(0), 'iconUrl']),
 					'disable' => $this->getData(['page', $this->getUrl(0), 'disable']),
 					'contentRight' => $this->getData(['page',$this->getUrl(0),'barRight'])
-										? $this->getPage($this->getData(['page',$this->getUrl(0),'barRight']), self::$i18n)
+										? $this->getPage($this->getData(['page',$this->getUrl(0),'barRight']), self::$i18nContent)
 										: '',
 					'contentLeft'  => $this->getData(['page',$this->getUrl(0),'barLeft'])
-										? $this->getPage($this->getData(['page',$this->getUrl(0),'barLeft']), self::$i18n)
+										? $this->getPage($this->getData(['page',$this->getUrl(0),'barLeft']), self::$i18nContent)
 										: ''
 				]);
-				$pageContent = $this->getPage($this->getUrl(0), self::$i18n);
+				$pageContent = $this->getPage($this->getUrl(0), self::$i18nContent);
 			}
 			else {
 				$moduleId = $this->getUrl(0);
diff --git a/core/include/update.inc.php b/core/include/update.inc.php
index 5c360349..9aa671a3 100644
--- a/core/include/update.inc.php
+++ b/core/include/update.inc.php
@@ -438,8 +438,8 @@ if ($this->getData(['core', 'dataVersion']) < 11000) {
 	// Liste des pages dans pageList
 	$pageList = array();
 	// Creation du contenu de la page
-	if (!is_dir(self::DATA_DIR . self::$i18n . '/content')) {
-		mkdir(self::DATA_DIR . self::$i18n . '/content', 0755);
+	if (!is_dir(self::DATA_DIR . self::$i18nContent . '/content')) {
+		mkdir(self::DATA_DIR . self::$i18nContent . '/content', 0755);
 	}
 	foreach ($this->getHierarchy(null,null,null) as $parentKey=>$parentValue) {
 		$pageList [] = $parentKey;
@@ -449,7 +449,7 @@ if ($this->getData(['core', 'dataVersion']) < 11000) {
 	}
 	foreach ($pageList as $parentKey => $parent) {
 		$content = $this->getData(['page', $parent, 'content']);
-		//file_put_contents(self::DATA_DIR . self::$i18n . '/content/' . $parent . '.html', $content);
+		//file_put_contents(self::DATA_DIR . self::$i18nContent . '/content/' . $parent . '.html', $content);
 		$this->setPage($parent, $content, 'fr');
 		$this->setData(['page', $parent, 'content', $parent . '.html']);
 	}
@@ -564,7 +564,7 @@ if ($this->getData(['core', 'dataVersion']) < 11203) {
 	$success = false ;
 	// Boucler sur les pages
 	foreach($this->getHierarchy(null,null,null) as $parentId => $childIds) {
-		$content = $this->getPage($parentId, self::$i18n);
+		$content = $this->getPage($parentId, self::$i18nContent);
 		$titre = $this->getData(['page', $parentId, 'title']);
 		$content =   $titre . ' ' . $content ;
 		$replace = str_replace( 'href="' . $old , 'href="'. $new , stripslashes($content),$c1) ;
@@ -572,17 +572,17 @@ if ($this->getData(['core', 'dataVersion']) < 11203) {
 
 		if ($c1 > 0 || $c2 > 0) {
 			$success = true;
-			$this->setPage($parentId, $replace,  self::$i18n);
+			$this->setPage($parentId, $replace,  self::$i18nContent);
 			$c3 += $c1 + $c2;
 		}
 		foreach($childIds as $childId) {
-			$content = $this->getPage($childId, self::$i18n);
+			$content = $this->getPage($childId, self::$i18nContent);
 			$content =   $titre . ' ' . $content ;
 			$replace = str_replace( 'href="' . $old , 'href="'. $new , stripslashes($content),$c1) ;
 			$replace = str_replace( 'src="' . $old , 'src="'. $new , stripslashes($replace),$c2) ;
 			if ($c1 > 0 || $c2 > 0) {
 				$success = true;
-				$this->setPage($childId, $replace,  self::$i18n);
+				$this->setPage($childId, $replace,  self::$i18nContent);
 				$c3 += $c1 + $c2;
 			}
 		}
diff --git a/core/layout/blank.php b/core/layout/blank.php
index 6e2d1852..909a5bfe 100644
--- a/core/layout/blank.php
+++ b/core/layout/blank.php
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html prefix="og: http://ogp.me/ns#" lang="<?php echo self::$i18n;?>">
+<html prefix="og: http://ogp.me/ns#" lang="<?php echo self::$i18nContent;?>">
 <head>
 	<meta charset="UTF-8">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
diff --git a/core/layout/light.php b/core/layout/light.php
index 833cb19d..f793fac8 100644
--- a/core/layout/light.php
+++ b/core/layout/light.php
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html prefix="og: http://ogp.me/ns#" lang="<?php echo self::$i18n;?>">
+<html prefix="og: http://ogp.me/ns#" lang="<?php echo self::$i18nContent;?>">
 <head>
 	<meta charset="UTF-8">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
diff --git a/core/layout/main.php b/core/layout/main.php
index ccbf15ca..5a1317a4 100644
--- a/core/layout/main.php
+++ b/core/layout/main.php
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html prefix="og: http://ogp.me/ns#" lang="<?php echo self::$i18n;?>">
+<html prefix="og: http://ogp.me/ns#" lang="<?php echo self::$i18nContent;?>">
 	<head>
 		<meta charset="UTF-8">
 		<meta name="viewport" content="width=device-width, initial-scale=1">
diff --git a/core/module/addon/addon.php b/core/module/addon/addon.php
index 7cb5792d..600031d2 100644
--- a/core/module/addon/addon.php
+++ b/core/module/addon/addon.php
@@ -434,8 +434,8 @@ class addon extends common {
 				// Export des pages hébergeant le module
 				$pageParam[$pageId] = $this->getData(['page',$pageId]);
 				// Export du contenu de la page
-				//$pageContent[$pageId] = file_get_contents(self::DATA_DIR . self::$i18n . '/content/' . $this->getData(['page', $pageId, 'content']));
-				$pageContent[$pageId] = $this->getPage($pageId, self::$i18n);
+				//$pageContent[$pageId] = file_get_contents(self::DATA_DIR . self::$i18nContent . '/content/' . $this->getData(['page', $pageId, 'content']));
+				$pageContent[$pageId] = $this->getPage($pageId, self::$i18nContent);
 				// Export de fr/module.json
 				$moduleId = 'fr/module.json';
 				$moduleDir = str_replace('site/data/','',$infoModules[$this->getUrl(2)]['dataDirectory']);
diff --git a/core/module/maintenance/maintenance.php b/core/module/maintenance/maintenance.php
index 284337df..20c67acd 100644
--- a/core/module/maintenance/maintenance.php
+++ b/core/module/maintenance/maintenance.php
@@ -37,7 +37,7 @@ class maintenance extends common {
 								? ''
 								: $this->getData(['page',$this->getData(['locale','page302']),'title']),
 					//'content' => $this->getdata(['page',$this->getData(['locale','page302']),'content']),
-					'content' => $this->getPage($this->getData(['locale','page302']), self::$i18n),
+					'content' => $this->getPage($this->getData(['locale','page302']), self::$i18nContent),
 					'view' => 'index'
 				]);
 		} else {
diff --git a/core/module/page/page.php b/core/module/page/page.php
index 941f191c..8e92e14e 100644
--- a/core/module/page/page.php
+++ b/core/module/page/page.php
@@ -161,11 +161,11 @@ class page extends common {
 			]
 		]);
 		// Creation du contenu de la page
-		if (!is_dir(self::DATA_DIR . self::$i18n . '/content')) {
-			mkdir(self::DATA_DIR . self::$i18n . '/content', 0755);
+		if (!is_dir(self::DATA_DIR . self::$i18nContent . '/content')) {
+			mkdir(self::DATA_DIR . self::$i18nContent . '/content', 0755);
 		}
-		//file_put_contents(self::DATA_DIR . self::$i18n . '/content/' . $pageId . '.html', '<p>Contenu de votre nouvelle page.</p>');
-		$this->setPage($pageId, '<p>Contenu de votre nouvelle page.</p>', self::$i18n);
+		//file_put_contents(self::DATA_DIR . self::$i18nContent . '/content/' . $pageId . '.html', '<p>Contenu de votre nouvelle page.</p>');
+		$this->setPage($pageId, '<p>Contenu de votre nouvelle page.</p>', self::$i18nContent);
 		// Met à jour le site map
 		$this->createSitemap('all');
 		// Mise à jour de la liste des pages pour TinyMCE
@@ -289,8 +289,8 @@ class page extends common {
 			}
 			// Effacer la page
 			$this->deleteData(['page', $url[0]]);
-			if (file_exists(self::DATA_DIR . self::$i18n . '/content/' . $url[0] . '.html')) {
-				unlink(self::DATA_DIR . self::$i18n . '/content/' . $url[0] . '.html');
+			if (file_exists(self::DATA_DIR . self::$i18nContent . '/content/' . $url[0] . '.html')) {
+				unlink(self::DATA_DIR . self::$i18nContent . '/content/' . $url[0] . '.html');
 			}
 			$this->deleteData(['module', $url[0]]);
 			// Met à jour le site map
@@ -372,8 +372,8 @@ class page extends common {
 					// Supprime l'ancienne page si l'id a changée
 					if($pageId !== $this->getUrl(2)) {
 						$this->deleteData(['page', $this->getUrl(2)]);
-						if (file_exists(self::DATA_DIR . self::$i18n . '/content/' . $this->getUrl(2) . '.html')) {
-							unlink (self::DATA_DIR . self::$i18n . '/content/' . $this->getUrl(2) . '.html');
+						if (file_exists(self::DATA_DIR . self::$i18nContent . '/content/' . $this->getUrl(2) . '.html')) {
+							unlink (self::DATA_DIR . self::$i18nContent . '/content/' . $this->getUrl(2) . '.html');
 						}
 					}
 					// Traitement des pages spéciales affectées dans la config :
@@ -496,11 +496,11 @@ class page extends common {
 					]);
 
 					// Creation du contenu de la page
-					if (!is_dir(self::DATA_DIR . self::$i18n . '/content')) {
-						mkdir(self::DATA_DIR . self::$i18n . '/content', 0755);
+					if (!is_dir(self::DATA_DIR . self::$i18nContent . '/content')) {
+						mkdir(self::DATA_DIR . self::$i18nContent . '/content', 0755);
 					}
 					$content = empty($this->getInput('pageEditContent', null)) ? '<p></p>' : str_replace('<p></p>', '<p>&nbsp;</p>', $this->getInput('pageEditContent', null));
-					$this->setPage($pageId , $content, self::$i18n);
+					$this->setPage($pageId , $content, self::$i18nContent);
 
 					// Met à jour le site map
 					$this->createSitemap('all');
diff --git a/core/module/page/view/edit/edit.php b/core/module/page/view/edit/edit.php
index 04bca720..dce2850e 100644
--- a/core/module/page/view/edit/edit.php
+++ b/core/module/page/view/edit/edit.php
@@ -109,7 +109,7 @@
 			<div class="col12">
 				<?php echo template::textarea('pageEditContent', [
 					'class' => 'editorWysiwyg',
-					'value' => $this->getPage($this->getUrl(2), self::$i18n)
+					'value' => $this->getPage($this->getUrl(2), self::$i18nContent)
 				]); ?>
 			</div>
 		</div>
diff --git a/core/module/plugin/plugin.php b/core/module/plugin/plugin.php
index 8862b04c..dda0cab5 100644
--- a/core/module/plugin/plugin.php
+++ b/core/module/plugin/plugin.php
@@ -502,8 +502,8 @@ class plugin extends common {
 		// Mise en forme du tableau des modules employés dans les pages
 		// Avec les commandes de sauvegarde et de restauration
 
-		$keyi18n = self::$i18n;
-		$valueI18n = $pagesInfos[self::$i18n];
+		$keyi18n = self::$i18nContent;
+		$valueI18n = $pagesInfos[self::$i18nContent];
 		foreach ($valueI18n as $keyPage=>$value) {
 			if (isset($infoModules[$pagesInfos[$keyi18n][$keyPage]['moduleId']])) {
 				// Co[nstruire le tableau de sortie
diff --git a/core/module/plugin/view/index/index.php b/core/module/plugin/view/index/index.php
index ca894a5b..cbd2d385 100644
--- a/core/module/plugin/view/index/index.php
+++ b/core/module/plugin/view/index/index.php
@@ -69,7 +69,7 @@
 	<div class="row">
 		<div class="col12">
 			<div class="block">
-				<h4>Modules configurés <?php echo template::flag( self::$i18n, '20px'); ?>  </h4>
+				<h4>Modules configurés <?php echo template::flag( self::$i18nContent, '20px'); ?>  </h4>
 				<div class="row">
 					<div class="col1 offset11">
 						<?php echo template::button('configModuledataImport', [
diff --git a/module/search/search.php b/module/search/search.php
index b0b6c1c7..b9a7e79a 100644
--- a/module/search/search.php
+++ b/module/search/search.php
@@ -189,8 +189,8 @@ class search extends common {
                         $this->getData(['page', $parentId, 'block']) !== 'bar') 	{
 						$url = $parentId;
 						$titre = $this->getData(['page', $parentId, 'title']);
-						//$content = file_get_contents(self::DATA_DIR . self::$i18n . '/content/' . $this->getData(['page', $parentId, 'content']));
-						$content = $this->getPage($parentId, self::$i18n);
+						//$content = file_get_contents(self::DATA_DIR . self::$i18nContent . '/content/' . $this->getData(['page', $parentId, 'content']));
+						$content = $this->getPage($parentId, self::$i18nContent);
 						$content =   $titre . ' ' . $content ;
 						// Pages sauf pages filles et articles de blog
 						$tempData  = $this->occurrence($url, $titre, $content, $motclef, self::$motentier);
@@ -206,8 +206,8 @@ class search extends common {
                                 $this->getData(['page', $parentId, 'block']) !== 'bar') 	{
                                     $url = $childId;
                                     $titre = $this->getData(['page', $childId, 'title']);
-									//$content = file_get_contents(self::DATA_DIR . self::$i18n . '/content/' . $this->getData(['page', $childId, 'content']));
-									$content = $this->getPage($childId, self::$i18n);
+									//$content = file_get_contents(self::DATA_DIR . self::$i18nContent . '/content/' . $this->getData(['page', $childId, 'content']));
+									$content = $this->getPage($childId, self::$i18nContent);
 									$content =   $titre . ' ' . $content ;
                                     //Pages filles
 									$tempData  = $this->occurrence($url, $titre, $content, $motclef, self::$motentier);