diff --git a/internal/http/handlers.go b/internal/http/handlers.go
index 2e24d48..eaa3dd3 100644
--- a/internal/http/handlers.go
+++ b/internal/http/handlers.go
@@ -21,7 +21,7 @@ import (
 )
 
 type Handlers struct {
-	guestbookDB       *gbsqlite.SQLiteDatabase
+	guestbookDB       guestbook.Guestbook
 	captchaExpire     time.Duration
 	guestbookOwner    string
 	guestbookPageSize int64