diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index b3ef8b9..e68be0d 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -88,7 +88,7 @@ http {
         ## Cacheable HLS files, ts
         location ~ ^/stream/(.+)/(.+\.ts)$ {
             # Call backend to check permission
-            root /user_data/$1/stream/$2;
+            alias /user_data/$1/stream/$2;
 
             # Let the MPEG-TS video chunks be cacheable
             expires max;