diff --git a/app/controllers/verification/sms_controller.rb b/app/controllers/verification/sms_controller.rb
index e0080753e..9e18453ad 100644
--- a/app/controllers/verification/sms_controller.rb
+++ b/app/controllers/verification/sms_controller.rb
@@ -6,11 +6,11 @@ class Verification::SmsController < ApplicationController
   skip_authorization_check
 
   def new
-    @sms = Sms.new(phone: params[:phone])
+    @sms = Verification::Sms.new(phone: params[:phone])
   end
 
   def create
-    @sms = Sms.new(sms_params.merge(user: current_user))
+    @sms = Verification::Sms.new(sms_params.merge(user: current_user))
     if @sms.save
       redirect_to edit_sms_path, notice: t('verification.sms.create.flash.success')
     else
@@ -19,11 +19,11 @@ class Verification::SmsController < ApplicationController
   end
 
   def edit
-    @sms = Sms.new
+    @sms = Verification::Sms.new
   end
 
   def update
-    @sms = Sms.new(sms_params.merge(user: current_user))
+    @sms = Verification::Sms.new(sms_params.merge(user: current_user))
     if @sms.verify?
       current_user.update(confirmed_phone: current_user.unconfirmed_phone)
 
diff --git a/app/models/sms.rb b/app/models/verification/sms.rb
similarity index 97%
rename from app/models/sms.rb
rename to app/models/verification/sms.rb
index 61b06a091..f280f115e 100644
--- a/app/models/sms.rb
+++ b/app/models/verification/sms.rb
@@ -1,4 +1,4 @@
-class Sms
+class Verification::Sms
   include ActiveModel::Model
 
   attr_accessor :user, :phone, :confirmation_code
diff --git a/app/views/verification/sms/_form.html.erb b/app/views/verification/sms/_form.html.erb
index efa0f74b8..9aaaa1495 100644
--- a/app/views/verification/sms/_form.html.erb
+++ b/app/views/verification/sms/_form.html.erb
@@ -1,4 +1,4 @@
-<%= form_for sms, url: sms_path do |f| %>
+<%= form_for sms, as: "sms", url: sms_path do |f| %>
   <%= render 'shared/errors', resource: sms %>
   <%= f.hidden_field :phone %>
   <%= f.submit t('verification.sms.form.submit_button') %>
diff --git a/app/views/verification/sms/edit.html.erb b/app/views/verification/sms/edit.html.erb
index 89fbef5ff..7432af7eb 100644
--- a/app/views/verification/sms/edit.html.erb
+++ b/app/views/verification/sms/edit.html.erb
@@ -3,7 +3,7 @@
 
     <h1 class="inline-block"><%= t('verification.sms.edit.title') %></h1>
 
-    <%= form_for @sms, url: sms_path, method: :put do |f| %>
+    <%= form_for @sms, as: "sms", url: sms_path, method: :put do |f| %>
       <p><%= @error %></p>
       <%= f.text_field :confirmation_code %>
 
diff --git a/app/views/verification/sms/new.html.erb b/app/views/verification/sms/new.html.erb
index eec63f6c6..8050c0f90 100644
--- a/app/views/verification/sms/new.html.erb
+++ b/app/views/verification/sms/new.html.erb
@@ -3,7 +3,7 @@
 
     <h1 class="inline-block"><%= t('verification.sms.new.title') %></h1>
 
-    <%= form_for @sms, url: sms_path do |f| %>
+    <%= form_for @sms, as: "sms", url: sms_path do |f| %>
       <%= render 'shared/errors', resource: @sms %>
 
       <%= f.text_field :phone %>
diff --git a/app/views/verification/verified_user/show.html.erb b/app/views/verification/verified_user/show.html.erb
index bb61e8546..53f871c76 100644
--- a/app/views/verification/verified_user/show.html.erb
+++ b/app/views/verification/verified_user/show.html.erb
@@ -32,7 +32,7 @@
                 <%= verified_user.phone %>
               </span>
               <span style="float:left;padding-left:30px">
-                <%= render '/verification/sms/form', sms: Sms.new(phone: verified_user.phone) %>
+                <%= render '/verification/sms/form', sms: Verification::Sms.new(phone: verified_user.phone) %>
               </span>
             </li>
             <br/><br/><br/>
diff --git a/spec/factories.rb b/spec/factories.rb
index 1745c0427..578d7b250 100644
--- a/spec/factories.rb
+++ b/spec/factories.rb
@@ -27,7 +27,7 @@ FactoryGirl.define do
     postal_code      "28013"
   end
 
-  factory :sms do
+  factory :verification_sms, class: Verification::Sms do
     phone "699999999"
   end
 
diff --git a/spec/models/sms_spec.rb b/spec/models/sms_spec.rb
index bdcd2d739..f52ff3c6e 100644
--- a/spec/models/sms_spec.rb
+++ b/spec/models/sms_spec.rb
@@ -1,14 +1,14 @@
 require 'rails_helper'
 
-describe Sms do
+describe Verification::Sms do
   it "should be valid" do
-    sms = build(:sms)
+    sms = build(:verification_sms)
     expect(sms).to be_valid
   end
 
   it "should validate uniqness of phone" do
     user = create(:user, confirmed_phone: "699999999")
-    sms = Sms.new(phone: "699999999")
+    sms = Verification::Sms.new(phone: "699999999")
     expect(sms).to_not be_valid
   end