diff --git a/common/Help.php b/common/Help.php
index 77bb785..620b3f0 100644
--- a/common/Help.php
+++ b/common/Help.php
@@ -41,8 +41,8 @@ class Help extends Miniprogarampage
 		if (is_array($json)) {
 			return $json;
 		}
-		if (!static::isXml($json)) {
-			return $json;
+		if (!static::isXml($xml)) {
+			return $xml;
 		}
 		$data = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
 		if (is_array($data)) {