diff --git a/backend/main.go b/backend/main.go
index 8e35220..7dbbcb6 100644
--- a/backend/main.go
+++ b/backend/main.go
@@ -179,8 +179,8 @@ func init() {
 	}}
 }
 
-// Handler serves all backend /api call
-func Handler(w http.ResponseWriter, r *http.Request) {
+// APIHandler serves all backend /api call
+func APIHandler(w http.ResponseWriter, r *http.Request) {
 	if r.URL.Path[0] != '/' {
 		r.URL.Path = "/" + r.URL.Path
 	}
diff --git a/main.go b/main.go
index b71d300..0ef92a5 100644
--- a/main.go
+++ b/main.go
@@ -29,7 +29,7 @@ func main() {
 		os.Exit(line())
 	}
 
-	http.HandleFunc("/api/", backend.Handler)
+	http.HandleFunc("/api/", backend.APIHandler)
 	http.HandleFunc("/file/", backend.FileHandler)
 	http.HandleFunc("/upload", backend.UploadHandler)