--- a/plugins/mod_http_files.lua	Thu Mar 16 19:09:57 2017 +0100
+++ b/plugins/mod_http_files.lua	Thu Mar 16 20:46:06 2017 +0100
@@ -19,7 +19,7 @@
 local base_path = module:get_option_string("http_files_dir", module:get_option_string("http_path"));
 local cache_size = module:get_option_number("http_files_cache_size", 128);
 local cache_max_file_size = module:get_option_number("http_files_cache_max_file_size", 4096);
-local dir_indices = module:get_option("http_index_files", { "index.html", "index.htm" });
+local dir_indices = module:get_option_array("http_index_files", { "index.html", "index.htm" });
 local directory_index = module:get_option_boolean("http_dir_listing");
 
 local mime_map = module:shared("/*/http_files/mime").types;