diff --git a/app/models/import.rb b/app/models/import.rb
index 3013bc50eb4..85f6ca4bdf5 100644
--- a/app/models/import.rb
+++ b/app/models/import.rb
@@ -1,13 +1,15 @@
 # frozen_string_literal: true
 
 class Import < ApplicationRecord
+  FILE_TYPES = ['text/plain', 'text/csv'].freeze
+
   self.inheritance_column = false
 
+  belongs_to :account, required: true
+
   enum type: [:following, :blocking, :muting]
 
-  belongs_to :account
-
-  FILE_TYPES = ['text/plain', 'text/csv'].freeze
+  validates :type, presence: true
 
   has_attached_file :data, url: '/system/:hash.:extension', hash_secret: ENV['PAPERCLIP_SECRET']
   validates_attachment_content_type :data, content_type: FILE_TYPES