diff --git a/app/MetadataResolver/MetadataResolver.php b/app/MetadataResolver/MetadataResolver.php
index 565e05f..129899a 100644
--- a/app/MetadataResolver/MetadataResolver.php
+++ b/app/MetadataResolver/MetadataResolver.php
@@ -15,7 +15,7 @@ class MetadataResolver implements Resolver
         '~www\.melonbooks\.co\.jp/detail/detail\.php~' => MelonbooksResolver::class,
         '~ec\.toranoana\.(jp|shop)/(tora|joshi)(_[rd]+)?/(ec|digi)/item/~' => ToranoanaResolver::class,
         '~iwara\.tv/videos/.*~' => IwaraResolver::class,
-        '~www\.dlsite\.com/.*/work/=/product_id/..\d+\.html~' => DLsiteResolver::class,
+        '~www\.dlsite\.com/.*/work/=/product_id/..\d+(\.html)?~' => DLsiteResolver::class,
         '~dlsite\.jp/mawtw/..\d+~' => DLsiteResolver::class,
         '~www\.pixiv\.net/member_illust\.php\?illust_id=\d+~' => PixivResolver::class,
         '~fantia\.jp/posts/\d+~' => FantiaResolver::class,