diff --git a/app/assets/javascripts/carte/carte.js b/app/assets/javascripts/carte/carte.js
index b7ec0ea4b..af6ac5cf4 100644
--- a/app/assets/javascripts/carte/carte.js
+++ b/app/assets/javascripts/carte/carte.js
@@ -11,7 +11,8 @@ function initCarto() {
     map = L.map("map", {
         center: new L.LatLng(position.lat, position.lon),
         zoom: position.zoom,
-        layers: [OSM]
+        layers: [OSM],
+        scrollWheelZoom: false
     });
 
     icon = L.icon({
@@ -159,4 +160,4 @@ function add_event_search_address() {
         if (e.keyCode == 13)
             get_address_point($(this).val());
     });
-}
\ No newline at end of file
+}
diff --git a/app/controllers/commentaires_controller.rb b/app/controllers/commentaires_controller.rb
index 9506aa7f8..920a64155 100644
--- a/app/controllers/commentaires_controller.rb
+++ b/app/controllers/commentaires_controller.rb
@@ -42,20 +42,20 @@ class CommentairesController < ApplicationController
       flash.alert = "Veuillez rédiger un message ou ajouter une pièce jointe."
     end
 
+    notify_user_with_mail(@commentaire) if saved
+
     if is_gestionnaire?
       unless current_gestionnaire.follow? @commentaire.dossier
         current_gestionnaire.toggle_follow_dossier @commentaire.dossier
       end
 
-      NotificationMailer.new_answer(@commentaire.dossier).deliver_now! if saved
-
       redirect_to url_for(controller: 'backoffice/dossiers', action: :show, id: params['dossier_id'])
     else
       if current_user.email != @commentaire.dossier.user.email
         invite = Invite.where(dossier: @commentaire.dossier, email: current_user.email).first
         redirect_to url_for(controller: 'users/dossiers/invites', action: :show, id: invite.id)
       else
-        redirect_to url_for(controller: :recapitulatif, action: :show, dossier_id: params['dossier_id'])
+        redirect_to users_dossier_recapitulatif_path(params['dossier_id'])
       end
     end
   end
@@ -63,4 +63,10 @@ class CommentairesController < ApplicationController
   def is_gestionnaire?
     false
   end
+
+  private
+
+  def notify_user_with_mail(commentaire)
+    NotificationMailer.new_answer(commentaire.dossier).deliver_now! unless current_user.try(:email) == commentaire.dossier.user.email
+  end
 end
diff --git a/app/views/dossiers/_commentaire.html.haml b/app/views/dossiers/_commentaire.html.haml
deleted file mode 100644
index c6eb31717..000000000
--- a/app/views/dossiers/_commentaire.html.haml
+++ /dev/null
@@ -1,14 +0,0 @@
-%div.commentaire
-  .row
-    %div.col-lg-12.col-md-12.col-sm-12.col-xs-12.comment-header
-      = commentaire.header
-  .row
-    %div.col-lg-12.col-md-12.col-sm-12.col-xs-12.content
-      = commentaire.body.html_safe
-  - if file = commentaire.piece_justificative
-    .row
-      %div.col-lg-12.col-md-12.col-sm-12.col-xs-12.file
-        = link_to file.content_url, class: 'link', target: '_blank' do
-          %span.fa.fa-file
-          %div
-            = file.original_filename
diff --git a/app/views/dossiers/_messagerie.html.haml b/app/views/dossiers/_messagerie.html.haml
index 754c34e50..c38063552 100644
--- a/app/views/dossiers/_messagerie.html.haml
+++ b/app/views/dossiers/_messagerie.html.haml
@@ -7,41 +7,25 @@
         MESSAGERIE
 
       .col-xs-2.count
-        - message_count = dossier_facade.commentaires.count
-        = (message_count == 1) ? "1 message" : "#{message_count} messages"
+        = pluralize(@facade.commentaires.count, "message")
+
     .alert.alert-info
       Cette messagerie permet d'échanger entre le demandeur et le service instructeur.
     .body
       - if dossier_facade.commentaires.any?
         .commentaires
-          = render partial: 'dossiers/commentaire', collection: dossier_facade.commentaires.object.sort
+          = render partial: 'dossiers/commentaires/commentaire', collection: dossier_facade.commentaires.object.sort
         .split-hr
       #new-commentaire
-        = form_tag(url_for({ controller: 'commentaires', action: :create, dossier_id: dossier_facade.dossier.id, champ_id: dossier_facade.champ_id }), class: 'form-inline', method: 'POST', multipart: true) do
+        = render partial: 'dossiers/commentaires/form', locals: { dossier_facade: @facade }
 
-          %textarea.form-control{id: 'texte_commentaire', class: 'wysihtml5', name: 'texte_commentaire', style: 'width: 100%; margin-bottom:2%', rows: '5', placeholder:"Commentaire"}
-
-          .row
-            .col-md-6
-              %h4.text-primary{style: 'margin-top: 0px'} Ajouter un fichier
-              = file_field_tag "piece_justificative[content]", accept:  PieceJustificative.accept_format, style: 'float: left; margin-left: 20px'
-
-            .col-md-6
-              %input#save-message.form-control.btn.btn-send{ type: 'submit', value: 'ENVOYER' }
 
 
     .last-commentaire.clearfix
       - if last_comment = dossier_facade.commentaires.first
         %div
           DERNIER MESSAGE
-          = render partial: 'dossiers/commentaire', object: last_comment
-          -# = "DERNIER MESSAGE (#{last_comment.header})"
-          -# .content
-          -#   = last_comment.body.html_safe
-          -# - if file = last_comment.piece_justificative
-          -#   .file
-          -#     = link_to file.content_url, class: 'link', target: '_blank' do
-          -#       %span.fa.fa-file
-          -#         = file.original_filename
+          = render partial: 'dossiers/commentaires/commentaire', object: last_comment
+
       #open-message.new-action
         ENVOYER UN MESSAGE
diff --git a/app/views/dossiers/commentaires/_commentaire.html.haml b/app/views/dossiers/commentaires/_commentaire.html.haml
new file mode 100644
index 000000000..576903f08
--- /dev/null
+++ b/app/views/dossiers/commentaires/_commentaire.html.haml
@@ -0,0 +1,11 @@
+%div.commentaire
+  .comment-header
+    = commentaire.header
+  .content
+    = commentaire.body.html_safe
+  - if file = commentaire.piece_justificative
+    .file
+      = link_to file.content_url, class: 'link', target: '_blank' do
+        %span.fa.fa-file
+        %div
+          = file.original_filename
diff --git a/app/views/dossiers/commentaires/_form.html.haml b/app/views/dossiers/commentaires/_form.html.haml
new file mode 100644
index 000000000..41163c221
--- /dev/null
+++ b/app/views/dossiers/commentaires/_form.html.haml
@@ -0,0 +1,11 @@
+= form_tag(url_for({ controller: 'commentaires', action: :create, dossier_id: dossier_facade.dossier.id, champ_id: dossier_facade.champ_id }), class: 'form-inline', method: 'POST', multipart: true) do
+
+  %textarea.form-control{id: 'texte_commentaire', class: 'wysihtml5', name: 'texte_commentaire', style: 'width: 100%; margin-bottom:2%', rows: '5', placeholder:"Commentaire"}
+
+  .row
+    .col-md-6
+      %h4.text-primary{style: 'margin-top: 0px'} Ajouter un fichier
+      = file_field_tag "piece_justificative[content]", accept:  PieceJustificative.accept_format, style: 'float: left; margin-left: 20px'
+
+    .col-md-6
+      %input#save-message.form-control.btn.btn-send{ type: 'submit', value: 'ENVOYER' }
diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
index 940e78aad..a3bd49fb8 100644
--- a/config/initializers/inflections.rb
+++ b/config/initializers/inflections.rb
@@ -21,3 +21,7 @@ end
 # ActiveSupport::Inflector.inflections(:en) do |inflect|
 #   inflect.acronym 'RESTful'
 # end
+ActiveSupport::Inflector.inflections(:fr) do |inflect|
+  inflect.plural(/$/, 's')
+  inflect.plural(/(hib|ch|bij|caill|p|gen|jouj)ou$/i, '\1oux')
+end
diff --git a/spec/controllers/users/commentaires_controller_spec.rb b/spec/controllers/users/commentaires_controller_spec.rb
index b03cc9225..b6d2f0f60 100644
--- a/spec/controllers/users/commentaires_controller_spec.rb
+++ b/spec/controllers/users/commentaires_controller_spec.rb
@@ -14,7 +14,7 @@ describe Users::CommentairesController, type: :controller do
     context 'création correct d\'un commentaire' do
       subject do
         sign_in dossier.user
-        post :create, params: {dossier_id: dossier_id, texte_commentaire: texte_commentaire}
+        post :create, params: { dossier_id: dossier_id, texte_commentaire: texte_commentaire }
       end
 
       it 'depuis la page récapitulatif' do
@@ -34,12 +34,12 @@ describe Users::CommentairesController, type: :controller do
       end
     end
 
-    context 'when document is upload whith a commentaire', vcr: {cassette_name: 'controllers_sers_commentaires_controller_upload_doc'} do
+    context 'when document is upload whith a commentaire', vcr: { cassette_name: 'controllers_sers_commentaires_controller_upload_doc' } do
       let(:document_upload) { Rack::Test::UploadedFile.new("./spec/support/files/piece_justificative_0.pdf", 'application/pdf') }
 
       subject do
         sign_in dossier.user
-        post :create, params: {dossier_id: dossier_id, texte_commentaire: texte_commentaire, piece_justificative: {content: document_upload}}
+        post :create, params: { dossier_id: dossier_id, texte_commentaire: texte_commentaire, piece_justificative: { content: document_upload } }
       end
 
       it 'create a new piece justificative' do
@@ -88,7 +88,7 @@ describe Users::CommentairesController, type: :controller do
             sign_in dossier.user
             dossier.replied!
 
-            post :create, params: {dossier_id: dossier_id, texte_commentaire: texte_commentaire}
+            post :create, params: { dossier_id: dossier_id, texte_commentaire: texte_commentaire }
             dossier.reload
           end
 
diff --git a/spec/controllers/users/dossiers/commentaires_controller_spec.rb b/spec/controllers/users/dossiers/commentaires_controller_spec.rb
index 871da0722..d56a18d9b 100644
--- a/spec/controllers/users/dossiers/commentaires_controller_spec.rb
+++ b/spec/controllers/users/dossiers/commentaires_controller_spec.rb
@@ -5,19 +5,67 @@ describe Users::Dossiers::CommentairesController, type: :controller do
   let(:texte_commentaire) { 'Commentaire de test' }
 
   describe '#POST create' do
+
+    subject {
+      post :create, params:{dossier_id: dossier.id, texte_commentaire: texte_commentaire}
+      dossier.reload
+    }
+
     context 'when invite is connected' do
       let!(:invite) { create(:invite, :with_user, dossier: dossier) }
 
       before do
         sign_in invite.user
         dossier.replied!
-
-        post :create, params:{dossier_id: dossier.id, texte_commentaire: texte_commentaire}
-        dossier.reload
       end
 
-      it { is_expected.to redirect_to users_dossiers_invite_path(invite.id) }
-      it { expect(dossier.state).to eq 'replied' }
+      it do
+        subject
+        is_expected.to redirect_to users_dossiers_invite_path(invite.id)
+        expect(dossier.state).to eq 'replied'
+      end
+
+      it 'should notify user' do
+        expect(NotificationMailer).to receive(:new_answer).and_return(NotificationMailer)
+        expect(NotificationMailer).to receive(:deliver_now!)
+
+        subject
+      end
+    end
+
+    context 'when user is connected' do
+      before do
+        sign_in dossier.user
+      end
+
+      it 'do not send a mail to notify user' do
+        expect(NotificationMailer).to_not receive(:new_answer)
+        subject
+      end
+
+    end
+  end
+
+  describe '#notify_user_with_mail' do
+    let(:commentaire){create(:commentaire)}
+
+    context 'when usager is writing a commentaire on dossier' do
+      before { sign_in commentaire.dossier.user }
+
+      it {
+        expect(NotificationMailer).to_not receive(:new_answer)
+        subject.send(:notify_user_with_mail, commentaire)
+      }
+    end
+
+    context 'when anybody else but usager is writing a commentaire' do
+      before { sign_in create(:user, email: 'administrateur@test.fr') }
+
+      it {
+        expect(NotificationMailer).to receive(:new_answer).and_return(NotificationMailer)
+        expect(NotificationMailer).to receive(:deliver_now!)
+        subject.send(:notify_user_with_mail, commentaire)
+      }
     end
   end
 end
diff --git a/spec/factories/dossier.rb b/spec/factories/dossier.rb
index aa619d795..05e70525c 100644
--- a/spec/factories/dossier.rb
+++ b/spec/factories/dossier.rb
@@ -46,5 +46,9 @@ FactoryGirl.define do
         dossier.cerfa << create(:cerfa)
       end
     end
+
+    trait :replied do
+      state 'replied'
+    end
   end
 end