diff --git a/Proxy-examples.md b/Proxy-examples.md
index dd301dc..acfbe21 100644
--- a/Proxy-examples.md
+++ b/Proxy-examples.md
@@ -485,6 +485,8 @@ server {
 Remember to enable `mod_proxy_http`, for example with: `a2enmod proxy_http`. 
 This requires Apache >= 2.4.47
 
+If you access your vault via a public https address (which then gets redirected internally on your server to http and port 80 for example), you must enable `RequestHeader set X-Forwarded-Proto "https"`, otherwise your vault will load but not your data.
+
 ```apache
 <VirtualHost *:443>
     SSLEngine on