diff --git a/upload/includes/functions.php b/upload/includes/functions.php
index 602a4e8e..ba563baa 100644
--- a/upload/includes/functions.php
+++ b/upload/includes/functions.php
@@ -4191,6 +4191,8 @@
 			}
 		} elseif ( isset($_SERVER['SERVER_PORT']) && ( '443' == $_SERVER['SERVER_PORT'] ) ) {
 			return true;
+		} elseif(isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') {
+			return true;
 		}
 		return false;
 	}