diff --git a/nginx.conf.template b/nginx.conf.template
index e1dca56..eaa4008 100644
--- a/nginx.conf.template
+++ b/nginx.conf.template
@@ -6,7 +6,7 @@ http {
     }
 
     server {
-        listen ${LISTEN_PORT:-80};
+        listen 80;
 
         location / {
             proxy_pass http://backend;