diff --git a/lib/base.php b/lib/base.php
index f3983a3800f36da74ffce3ce5e0330559f7a96cb..865d174d21272d1facbb13d5dded60662e302603 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -241,7 +241,7 @@ class OC {
 					$minimizerCSS->clearCache();
 					$minimizerJS = new OC_Minimizer_JS();
 					$minimizerJS->clearCache();
-					OC_Util::addscript('update');
+					OC_Util::addScript('update');
 					$tmpl = new OC_Template('', 'update.admin', 'guest');
 					$tmpl->assign('version', OC_Util::getVersionString());
 					$tmpl->printPage();
@@ -559,12 +559,6 @@ class OC {
 			}
 		}
 
-		// write error into log if locale can't be set
-		if (OC_Util::isSetLocaleWorking() == false) {
-			OC_Log::write('core',
-				'setting locale to en_US.UTF-8/en_US.UTF8 failed. Support is probably not installed on your system',
-				OC_Log::ERROR);
-		}
 		if (OC_Config::getValue('installed', false) && !self::checkUpgrade(false)) {
 			if (OC_Appconfig::getValue('core', 'backgroundjobs_mode', 'ajax') == 'ajax') {
 				OC_Util::addScript('backgroundjobs');
diff --git a/lib/private/util.php b/lib/private/util.php
index 959d36a89e9e8e423a104502408eda91f4735b18..426c5a025f3170f42cf6636829c223d7c0c6ef13 100755
--- a/lib/private/util.php
+++ b/lib/private/util.php
@@ -358,6 +358,13 @@ class OC_Util {
 			$errors = array_merge($errors, self::checkDataDirectoryPermissions($CONFIG_DATADIRECTORY));
 		}
 
+		if(!OC_Util::isSetLocaleWorking()) {
+			$errors[] = array(
+				'error' => 'Setting locale to en_US.UTF-8/fr_FR.UTF-8/es_ES.UTF-8/de_DE.UTF-8/ru_RU.UTF-8/pt_BR.UTF-8/it_IT.UTF-8/ja_JP.UTF-8/zh_CN.UTF-8 failed',
+				'hint' => 'Please install one of theses locales on your system and restart your webserver.'
+			);
+		}
+
 		$moduleHint = "Please ask your server administrator to install the module.";
 		// check if all required php modules are present
 		if(!class_exists('ZipArchive')) {
@@ -852,8 +859,8 @@ class OC_Util {
 			return true;
 		}
 
-		$result = setlocale(LC_ALL, 'en_US.UTF-8', 'en_US.UTF8');
-		if($result == false) {
+		\Patchwork\Utf8\Bootup::initLocale();
+		if ('' === basename('§')) {
 			return false;
 		}
 		return true;
diff --git a/settings/admin.php b/settings/admin.php
index 120f15bec19b0d59249359051810cd1bfbdaaeb5..0d3868afea8245852e28be4a0c8b1be98e79cd86 100755
--- a/settings/admin.php
+++ b/settings/admin.php
@@ -25,7 +25,7 @@ $tmpl->assign('entries', $entries);
 $tmpl->assign('entriesremain', $entriesremain);
 $tmpl->assign('htaccessworking', $htaccessworking);
 $tmpl->assign('internetconnectionworking', OC_Util::isInternetConnectionEnabled() ? OC_Util::isInternetConnectionWorking() : false);
-$tmpl->assign('islocaleworking', OC_Util::isSetLocaleWorking());
+$tmpl->assign('isLocaleWorking', OC_Util::isSetLocaleWorking());
 $tmpl->assign('isWebDavWorking', OC_Util::isWebDAVWorking());
 $tmpl->assign('has_fileinfo', OC_Util::fileInfoLoaded());
 $tmpl->assign('backgroundjobs_mode', OC_Appconfig::getValue('core', 'backgroundjobs_mode', 'ajax'));
diff --git a/settings/templates/admin.php b/settings/templates/admin.php
index 5413b7009360c00090df6b7a4193d0645f64b094..f655a14be87d04424bb27b512d5442abf2cc5df9 100644
--- a/settings/templates/admin.php
+++ b/settings/templates/admin.php
@@ -59,15 +59,23 @@ if (!$_['has_fileinfo']) {
 }
 
 // is locale working ?
-if (!$_['islocaleworking']) {
+if (!$_['isLocaleWorking']) {
 	?>
 <fieldset class="personalblock">
 	<h2><?php p($l->t('Locale not working'));?></h2>
 
 		<span class="connectionwarning">
 		<?php
-			$locales = 'en_US.UTF-8/en_US.UTF8';
-			p($l->t('System locale can\'t be set to %s. This means that there might be problems with certain characters in file names. We strongly suggest to install the required packages on your system to support %s.', array($locales, $locales)));
+			$locales = 'en_US.UTF-8/fr_FR.UTF-8/es_ES.UTF-8/de_DE.UTF-8/ru_RU.UTF-8/pt_BR.UTF-8/it_IT.UTF-8/ja_JP.UTF-8/zh_CN.UTF-8';
+			p($l->t('System locale can not be set to a one which supports UTF-8.'));
+			?>
+		<br>
+		<?php
+			p($l->t('This means that there might be problems with certain characters in file names.'));
+		?>
+			<br>
+			<?php
+			p($l->t('We strongly suggest to install the required packages on your system to support one of the following locales: %s.', array($locales)));
 			?>
 	</span>