diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index e025df3..99e98a6 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -10,7 +10,7 @@ def show
   end
 
   def edit
-    return unless current_user != User.find(params[:id])
+    return unless current_user.id != params[:id].to_i
 
     redirect_to user_path(current_user), flash: { danger: '自分以外のプロフィールは編集できません。' }
     nil