diff --git a/conf/nginx.conf b/conf/nginx.conf
index 069cb83..fabc31b 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -13,12 +13,12 @@ location __PATH__/ {
 		client_max_body_size 30m;
 
 		# Add headers to serve security related headers
-		add_header Strict-Transport-Security "max-age=15768000;";
-		add_header X-Content-Type-Options nosniff;
-		add_header X-Frame-Options "SAMEORIGIN";
-		add_header X-XSS-Protection "1; mode=block";
-		add_header X-Download-Options noopen;
-		add_header X-Permitted-Cross-Domain-Policies none;
+		more_set_headers "Strict-Transport-Security: max-age=15768000";
+		more_set_headers "X-Content-Type-Options: nosniff";
+		more_set_headers "X-Frame-Options: SAMEORIGIN";
+		more_set_headers "X-XSS-Protection: 1; mode=block";
+		more_set_headers "X-Download-Options: noopen";
+		more_set_headers "X-Permitted-Cross-Domain-Policies: none";
 
 		location ~* \.(jpg|jpeg|gif|css|png|js|ico|swf|mp3|pdf)$ {
 			# Le contenu statique, est signalé au navigateur comme étant