diff --git a/view/php/minimal.php b/view/php/minimal.php
index 22f9bbeeaf..fec1d67716 100644
--- a/view/php/minimal.php
+++ b/view/php/minimal.php
@@ -13,7 +13,7 @@
?>
-
+
<?php if(!empty($page['title'])) echo $page['title'] ?>
diff --git a/view/theme/frio/php/default.php b/view/theme/frio/php/default.php
index bfceee0f66..d569b190ed 100644
--- a/view/theme/frio/php/default.php
+++ b/view/theme/frio/php/default.php
@@ -30,7 +30,7 @@ $view_mode_class = (DI::mode()->isMobile() || DI::mode()->isMobile()) ? 'mob
$is_singleuser = DI::config()->get('system', 'singleuser');
$is_singleuser_class = $is_singleuser ? "is-singleuser" : "is-not-singleuser";
?>
-
+
<?php if (!empty($page['title'])) {
echo $page['title'];
diff --git a/view/theme/frio/php/minimal.php b/view/theme/frio/php/minimal.php
index f75c6a6ac7..06c64d66d3 100644
--- a/view/theme/frio/php/minimal.php
+++ b/view/theme/frio/php/minimal.php
@@ -10,7 +10,7 @@ use Friendica\DI;
?>
<!DOCTYPE html>
-<html>
+<html lang="<?php echo DI::l10n()->getCurrentLang(); ?>">
<head>
<title><?php if(!empty($page['title'])) {
echo $page['title'];
diff --git a/view/theme/frio/php/standard.php b/view/theme/frio/php/standard.php
index b8e6a125e3..bb9a0a4c7a 100644
--- a/view/theme/frio/php/standard.php
+++ b/view/theme/frio/php/standard.php
@@ -14,7 +14,7 @@ $frio = 'view/theme/frio';
?>
<!DOCTYPE html>
-<html>
+<html lang="<?php echo DI::l10n()->getCurrentLang(); ?>">
<head>
<title><?php if(!empty($page['title'])) {
echo $page['title'];
diff --git a/view/theme/smoothly/php/default.php b/view/theme/smoothly/php/default.php
index a496b8b19a..9b0f39c50e 100644
--- a/view/theme/smoothly/php/default.php
+++ b/view/theme/smoothly/php/default.php
@@ -7,7 +7,7 @@
*/
?>
<!DOCTYPE html>
-<html>
+<html lang="<?php echo Friendica\DI::l10n()->getCurrentLang(); ?>">
<head>
<title><?php if(!empty($page['title'])) echo $page['title'] ?>