diff --git a/abra/abra.conf b/abra/abra.conf
index 2fc8e91..fd3d5eb 100644
--- a/abra/abra.conf
+++ b/abra/abra.conf
@@ -4,7 +4,7 @@ server {
 
   location / {
     root /var/www/abra-installer;
-    wadd_header Content-Type text/plain;
+    add_header Content-Type text/plain;
     index installer
   }
 }