diff --git a/pynyaata/__init__.py b/pynyaata/__init__.py
index 1195c68..e825ad9 100644
--- a/pynyaata/__init__.py
+++ b/pynyaata/__init__.py
@@ -137,7 +137,7 @@ def admin():
     form = DeleteForm(request.form)
 
     if form.validate_on_submit():
-        link = AnimeLink.query.filter_by(id=form.id.data).first()
+        link = AnimeLink.query.filter_by(id=int(form.id.data)).first()
         if link:
             form.message = '%s (%s) has been successfully deleted' % (
                 link.title.name,
@@ -171,7 +171,7 @@ def folder_list():
     form = FolderDeleteForm(request.form)
 
     if form.validate_on_submit():
-        folder = AnimeFolder.query.filter_by(id=form.id.data).first()
+        folder = AnimeFolder.query.filter_by(id=int(form.id.data)).first()
         if folder:
             form.message = '%s has been successfully deleted' % folder.name
             db.session.delete(folder)