diff --git a/webui/view/theme/default/templates/common/layout-audit.tpl b/webui/view/theme/default/templates/common/layout-audit.tpl
index 6285ef5..58c45b7 100644
--- a/webui/view/theme/default/templates/common/layout-audit.tpl
+++ b/webui/view/theme/default/templates/common/layout-audit.tpl
@@ -1,5 +1,5 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="hu" lang="hu">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php print DEFAULT_LANG; ?>" lang="<?php print DEFAULT_LANG; ?>">
 
 <head>
     <title><?php print $title; ?> | <?php print SITE_NAME; ?> <?php if(PROVIDED_BY) { print PROVIDED_BY; } ?></title>
diff --git a/webui/view/theme/default/templates/common/layout-email.tpl b/webui/view/theme/default/templates/common/layout-email.tpl
index d11f4a6..6330e69 100644
--- a/webui/view/theme/default/templates/common/layout-email.tpl
+++ b/webui/view/theme/default/templates/common/layout-email.tpl
@@ -1,5 +1,5 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="hu" lang="hu">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php print DEFAULT_LANG; ?>" lang="<?php print DEFAULT_LANG; ?>">
 
 <head>
    <title><?php print $title; ?> | <?php print SITE_NAME; ?> <?php if(PROVIDED_BY) { print PROVIDED_BY; } ?></title>
diff --git a/webui/view/theme/default/templates/common/layout-search.tpl b/webui/view/theme/default/templates/common/layout-search.tpl
index 6f9b0f0..c2ef95f 100644
--- a/webui/view/theme/default/templates/common/layout-search.tpl
+++ b/webui/view/theme/default/templates/common/layout-search.tpl
@@ -1,10 +1,10 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="hu" lang="hu">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php print DEFAULT_LANG; ?>" lang="<?php print DEFAULT_LANG; ?>">
 
 <head>
    <title><?php print $title; ?> | <?php print SITE_NAME; ?> <?php if(PROVIDED_BY) { print PROVIDED_BY; } ?></title>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
-   <meta http-equiv="Content-Language" content="en" />
+   <meta http-equiv="Content-Language" content="<?php print DEFAULT_LANG; ?>" />
    <?php if(SITE_KEYWORDS) { ?><meta name="keywords" content="<?php print SITE_KEYWORDS; ?>" /><?php } ?>
    <?php if(SITE_DESCRIPTION) { ?><meta name="description" content="<?php print SITE_DESCRIPTION; ?>" /><?php } ?>
    <?php if(PROVIDED_BY) { ?><meta name="author" content="<?php print PROVIDED_BY; ?>" /><?php } ?>
diff --git a/webui/view/theme/default/templates/common/layout.tpl b/webui/view/theme/default/templates/common/layout.tpl
index f8c1ec1..f5ceb42 100644
--- a/webui/view/theme/default/templates/common/layout.tpl
+++ b/webui/view/theme/default/templates/common/layout.tpl
@@ -1,5 +1,5 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="hu" lang="hu">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php print DEFAULT_LANG; ?>" lang="<?php print DEFAULT_LANG; ?>">
 
 <head>
     <title><?php print $title; ?> | <?php print SITE_NAME; ?> <?php if(PROVIDED_BY) { print PROVIDED_BY; } ?></title>
