diff --git a/app/controllers/ajax/question_controller.rb b/app/controllers/ajax/question_controller.rb
index 98df8d72..e7387107 100644
--- a/app/controllers/ajax/question_controller.rb
+++ b/app/controllers/ajax/question_controller.rb
@@ -4,9 +4,16 @@ class Ajax::QuestionController < ApplicationController
     params.require :anonymousQuestion
     params.require :rcpt
 
-    question = Question.create!(content: params[:question],
-                                author_is_anonymous: params[:anonymousQuestion],
-                                user: current_user)
+    begin
+      question = Question.create!(content: params[:question],
+                                  author_is_anonymous: params[:anonymousQuestion],
+                                  user: current_user)
+    rescue ActiveRecord::RecordInvalid
+      @status = :rec_inv
+      @message = "Your question is too long."
+      @success = false
+      return
+    end
 
     unless current_user.nil?
       current_user.increment! :asked_count unless params[:anonymousQuestion] == 'true'
diff --git a/app/models/question.rb b/app/models/question.rb
index 76bdb939..5c86d72f 100644
--- a/app/models/question.rb
+++ b/app/models/question.rb
@@ -1,4 +1,6 @@
 class Question < ActiveRecord::Base
   belongs_to :user
   has_many :answers
+
+  validates :content, length: { maximum: 200 }
 end