diff --git a/nginx/conf.d/tranga.conf b/nginx/conf.d/tranga.conf
index 3a9dffb..fc02585 100644
--- a/nginx/conf.d/tranga.conf
+++ b/nginx/conf.d/tranga.conf
@@ -12,7 +12,10 @@ server {
 
     location ~ /api/ {
         proxy_pass_request_headers on;
-        proxy_pass http://tranga-api:6531/;
+        set $upstream_app tranga-api;
+        set $upstream_port 6531;
+        set $upstream_proto http:
+        proxy_pass $upstream_proto://$upstream_app:$upstream_port;
     }
 
     #error_page  404              /404.html;