set r->root_tested for non-error_page response only
diff --git a/src/http/modules/ngx_http_static_module.c b/src/http/modules/ngx_http_static_module.c
index 9ff1f81..5b9a0eb 100644
--- a/src/http/modules/ngx_http_static_module.c
+++ b/src/http/modules/ngx_http_static_module.c
@@ -135,7 +135,7 @@
         return rc;
     }
 
-    r->root_tested = 1;
+    r->root_tested = !r->error_page;
 
     ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "http static fd: %d", of.fd);