diff --git a/public/typo3conf/ext/ep_track/Classes/Middleware/TrackingMiddleware.php b/public/typo3conf/ext/ep_track/Classes/Middleware/TrackingMiddleware.php
index 18f9b83f..b64aee37 100644
--- a/public/typo3conf/ext/ep_track/Classes/Middleware/TrackingMiddleware.php
+++ b/public/typo3conf/ext/ep_track/Classes/Middleware/TrackingMiddleware.php
@@ -139,7 +139,7 @@ class TrackingMiddleware implements MiddlewareInterface
         $query = $params->getQueryString();
         $path = $params->getRequestUri();
 
-        if (!preg_match('/^(' . static::CODE_PATTERN . ')\/?$/i', $path)) {
+        if (!preg_match('/^\/' . static::CODE_PATTERN . '\/?$/i', $path)) {
             return null;
         }