diff --git a/provision-contest/ansible/roles/domserver/templates/nginx-domjudge.conf.j2 b/provision-contest/ansible/roles/domserver/templates/nginx-domjudge.conf.j2
index 09dbd459..fda4d842 100644
--- a/provision-contest/ansible/roles/domserver/templates/nginx-domjudge.conf.j2
+++ b/provision-contest/ansible/roles/domserver/templates/nginx-domjudge.conf.j2
@@ -67,7 +67,7 @@ server {
 	location / {
 		proxy_pass https://domjudge-loadbalanced;
 		proxy_http_version 1.1;
-		 proxy_set_header Connection "";
+		proxy_set_header Connection "";
 		proxy_set_header X-Forwarded-Proto $scheme;
 		proxy_set_header Host $http_host;
 		proxy_set_header X-Real-IP $remote_addr;