diff --git a/conf/nginx.conf b/conf/nginx.conf
index a44dcb7..13f07c6 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,6 +1,6 @@
 
     # HSTS
-    more_set_headers Strict-Transport-Security "max-age=31536000";
+    more_set_headers "Strict-Transport-Security: max-age=31536000";
 
     # General configs
     root __INSTALL_DIR__/front/dist;