diff --git a/gunicorn/config.py b/gunicorn/config.py
index bfab5bda..c9045cb0 100644
--- a/gunicorn/config.py
+++ b/gunicorn/config.py
@@ -668,6 +668,7 @@ class SecureSchemeHeader(Setting):
     validator = validate_dict
     default = {
         "X-FORWARDED-PROTOCOL": "ssl",
+        "X-FORWARDED-PROTO": "https",
         "X-FORWARDED-SSL": "on"
     }
     desc = """\