diff --git a/example_config.json b/example_config.json
index 467298d..78855cf 100644
--- a/example_config.json
+++ b/example_config.json
@@ -8,7 +8,7 @@
         "connection": {
             "type": "ip",
             "address": "127.0.0.1",
-            "port": 6389,
+            "port": 6379,
             "unix": "/path/to/redis.sock"
         },
         "username": null,
diff --git a/routes/artworks.cpp b/routes/artworks.cpp
index 4fff9af..f6d1559 100644
--- a/routes/artworks.cpp
+++ b/routes/artworks.cpp
@@ -80,13 +80,13 @@ static inline Element generate_images(const httplib::Request& req, const Config&
         const Images& images = illust.images[i];
         const Image& thumbnail = images.thumbnail_or_original();
         const Image& original = images.original_or_thumbnail();
+        std::string id = std::to_string(i + 1);
 
         if (show_pages) {
-            std::string id = std::to_string(i + 1);
-            div.nodes.push_back(Element("a", {{"class", "landmark"}, {"id", id}, {"href", "#"s + id}}, {id, "/", std::to_string(illust.images.size())}));
+            div.nodes.push_back(Element("a", {{"class", "landmark"}, {"href", "#"s + id}}, {id, "/", std::to_string(illust.images.size())}));
         }
 
-        Element img("img", {{"loading", "lazy"}, {"src", proxy_image_url(req, config, thumbnail.url)}}, {});
+        Element img("img", {{"loading", "lazy"}, {"id", std::move(id)}, {"src", proxy_image_url(req, config, thumbnail.url)}}, {});
         if (thumbnail.size) {
             img.attributes.push_back({"width", std::to_string(thumbnail.size->first)});
             img.attributes.push_back({"height", std::to_string(thumbnail.size->second)});