diff --git a/lib/private/legacy/app.php b/lib/private/legacy/app.php
index b19d63f560e7a..882cdc9685ed3 100644
--- a/lib/private/legacy/app.php
+++ b/lib/private/legacy/app.php
@@ -1077,7 +1077,7 @@ protected static function findBestL10NOption($options, $lang) {
 		}
 
 		foreach ($options as $option) {
-			if (is_array($option)) {
+			if (is_array($option) && isset($option['@value'])) {
 				if ($fallback === false) {
 					$fallback = $option['@value'];
 				}