diff --git a/.gitignore b/.gitignore
index c508035..9de8bb7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
 search-scrape
-web_cache
+webcache
diff --git a/scrape.go b/scrape.go
index ef3d3f9..478b1aa 100644
--- a/scrape.go
+++ b/scrape.go
@@ -23,5 +23,5 @@
 package main
 
 func main() {
-	scrapeTabelog("http://tabelog.com/en/kanagawa/rstLst/1/", "tabelog.json", "web_cache")
+	scrapeTabelog("http://tabelog.com/en/kanagawa/rstLst/1/", "tabelog.json", "webcache")
 }
diff --git a/webcache.go b/webcache.go
index d6afedd..a2e554b 100644
--- a/webcache.go
+++ b/webcache.go
@@ -49,7 +49,7 @@ func newWebCache(baseDir string) (*webCache, error) {
 func (c *webCache) urlToLocal(url string) string {
 	hash := md5.New()
 	hash.Write([]byte(url))
-	return path.Join(c.baseDir, fmt.Sprintf("%x", hash.Sum(nil)))
+	return path.Join(c.baseDir, fmt.Sprintf("%x.html", hash.Sum(nil)))
 }
 
 func (c *webCache) fetchUrl(url string) (*goquery.Document, error) {