--- a/src/http/modules/ngx_http_index_module.c
+++ b/src/http/modules/ngx_http_index_module.c
@@ -208,8 +208,8 @@ ngx_http_index_handler(ngx_http_request_
 
         ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "open index \"%V\"", &path);
 
-        of.uniq = 0;
-        of.test_dir = 0;
+        ngx_memzero(&of, sizeof(ngx_open_file_info_t));
+
         of.valid = clcf->open_file_cache_valid;
         of.min_uses = clcf->open_file_cache_min_uses;
         of.errors = clcf->open_file_cache_errors;
@@ -292,10 +292,10 @@ ngx_http_index_test_dir(ngx_http_request
     ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                    "http index check dir: \"%V\"", &dir);
 
-    of.uniq = 0;
+    ngx_memzero(&of, sizeof(ngx_open_file_info_t));
+
     of.test_dir = 1;
     of.valid = clcf->open_file_cache_valid;
-    of.min_uses = 0;
     of.errors = clcf->open_file_cache_errors;
 
     if (ngx_open_cached_file(clcf->open_file_cache, &dir, &of, r->pool)