diff --git a/README.md b/README.md
index 282010d..18e6fa3 100644
--- a/README.md
+++ b/README.md
@@ -226,6 +226,7 @@ proxy_set_header Connection $proxy_connection;
 proxy_set_header X-Real-IP $remote_addr;
 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 proxy_set_header X-Forwarded-Proto $proxy_x_forwarded_proto;
+proxy_set_header X-Forwarded-Ssl $proxy_x_forwarded_ssl;
 proxy_set_header X-Forwarded-Port $proxy_x_forwarded_port;
 
 # Mitigate httpoxy attack (see README for details)
diff --git a/nginx.tmpl b/nginx.tmpl
index 4a5e76b..9ca04fe 100644
--- a/nginx.tmpl
+++ b/nginx.tmpl
@@ -38,6 +38,12 @@ map $http_upgrade $proxy_connection {
   '' close;
 }
 
+# Set appropriate X-Forwarded-Ssl header
+map $scheme $proxy_x_forwarded_ssl {
+  default off;
+  https on;
+}
+
 gzip_types text/plain text/css application/javascript application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;
 
 log_format vhost '$host $remote_addr - $remote_user [$time_local] '
@@ -58,6 +64,7 @@ proxy_set_header Connection $proxy_connection;
 proxy_set_header X-Real-IP $remote_addr;
 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 proxy_set_header X-Forwarded-Proto $proxy_x_forwarded_proto;
+proxy_set_header X-Forwarded-Ssl $proxy_x_forwarded_ssl;
 proxy_set_header X-Forwarded-Port $proxy_x_forwarded_port;
 
 # Mitigate httpoxy attack (see README for details)