diff --git a/data/templates/nginx/yunohost_panel.conf.inc b/data/templates/nginx/yunohost_panel.conf.inc
index 4d5b441d1..0ca8b02aa 100644
--- a/data/templates/nginx/yunohost_panel.conf.inc
+++ b/data/templates/nginx/yunohost_panel.conf.inc
@@ -1,2 +1,2 @@
-sub_filter '';
+sub_filter '';
sub_filter_once on;