1 files changed, 1 insertions, 1 deletions
diff --git a/api.php b/api.php
index 9e43a42a..23328993 100644
--- a/api.php
+++ b/api.php
@@ -13,7 +13,7 @@ if (CONFIG_SQL_PASS === '%MYSQL_OPENSLX_PASS%')
 
 // Autoload classes from ./inc which adhere to naming scheme <lowercasename>.inc.php
 spl_autoload_register(function ($class) {
-	$file = 'inc/' . preg_replace('/[^a-z0-9]/', '', mb_strtolower($class)) . '.inc.php';
+	$file = 'inc/' . strtolower(preg_replace('/[^A-Za-z0-9]/', '', $class)) . '.inc.php';
 	if (!file_exists($file))
 		return;
 	require_once $file;