diff --git a/nginx.conf b/nginx.conf
index e61b649..942df99 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -60,7 +60,7 @@ http {
             proxy_set_header Host $host;
             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 $scheme;
+            proxy_set_header X-Forwarded-Proto https;
             proxy_set_header Accept-Encoding "";
 
             proxy_http_version 1.1;
@@ -85,7 +85,7 @@ http {
             proxy_set_header Host $host;
             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 $scheme;
+            proxy_set_header X-Forwarded-Proto https;
 
             # Disable encoding so sub_filter can process the response
             proxy_set_header Accept-Encoding "";