diff --git a/nginx.conf.tmpl b/nginx.conf.tmpl
index c50932b..093a601 100644
--- a/nginx.conf.tmpl
+++ b/nginx.conf.tmpl
@@ -6,7 +6,7 @@ proxy_cache_path /var/cache/nginx/peertube-media-cache levels=1:2 keys_zone=peer
 
 server {
   listen 80;
-  server_name _;
+  server_name {{ env "DOMAIN" }};
 
   ##
   # Application