diff --git a/CHANGELOG.md b/CHANGELOG.md
index 814b4bfb1..c60a1ce26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # Changelog Fab Manager
 
 ## next release
+- Use slugs in projects URL opened from notifications
 - Ask for confirmation on machine deletion from the public view
 - Ability to delete a training from the public view for an admin
 - Project images will show in full-size on a click 
diff --git a/app/views/api/notifications/_notify_admin_when_project_published.json.jbuilder b/app/views/api/notifications/_notify_admin_when_project_published.json.jbuilder
index e90c6daf0..63bee71e1 100644
--- a/app/views/api/notifications/_notify_admin_when_project_published.json.jbuilder
+++ b/app/views/api/notifications/_notify_admin_when_project_published.json.jbuilder
@@ -1,5 +1,5 @@
 json.title notification.notification_type
 json.description t('.project_NAME_has_been_published_html',
-                   ID: notification.attached_object.id,
+                   ID: notification.attached_object.slug,
                    NAME: notification.attached_object.name)
 json.url notification_url(notification, format: :json)
diff --git a/app/views/api/notifications/_notify_project_author_when_collaborator_valid.json.jbuilder b/app/views/api/notifications/_notify_project_author_when_collaborator_valid.json.jbuilder
index 58209d776..d5dc45864 100644
--- a/app/views/api/notifications/_notify_project_author_when_collaborator_valid.json.jbuilder
+++ b/app/views/api/notifications/_notify_project_author_when_collaborator_valid.json.jbuilder
@@ -1,5 +1,5 @@
 json.title notification.notification_type
 json.description t('.USER_became_collaborator_of_your_project',
                     USER: notification.attached_object.user.profile.full_name) +
-                 "<a href='/#!/projects/#{notification.attached_object.project.id}'><strong><em> #{notification.attached_object.project.name}</em></strong></a>."
+                 "<a href='/#!/projects/#{notification.attached_object.project.slug}'><strong><em> #{notification.attached_object.project.name}</em></strong></a>."
 json.url notification_url(notification, format: :json)
diff --git a/app/views/api/notifications/_notify_project_collaborator_to_valid.json.jbuilder b/app/views/api/notifications/_notify_project_collaborator_to_valid.json.jbuilder
index f656f668d..2615f16c6 100644
--- a/app/views/api/notifications/_notify_project_collaborator_to_valid.json.jbuilder
+++ b/app/views/api/notifications/_notify_project_collaborator_to_valid.json.jbuilder
@@ -1,4 +1,4 @@
 json.title notification.notification_type
 json.description t('.you_are_invited_to_collaborate_on_the_project') +
-                 "<a href='/#!/projects/#{notification.attached_object.project.id}'><strong><em>#{notification.attached_object.project.name}</em></strong></a>."
+                 "<a href='/#!/projects/#{notification.attached_object.project.slug}'><strong><em>#{notification.attached_object.project.name}</em></strong></a>."
 json.url notification_url(notification, format: :json)
diff --git a/app/views/notifications_mailer/notify_admin_when_project_published.html.erb b/app/views/notifications_mailer/notify_admin_when_project_published.html.erb
index 0c3486e53..add5528e8 100644
--- a/app/views/notifications_mailer/notify_admin_when_project_published.html.erb
+++ b/app/views/notifications_mailer/notify_admin_when_project_published.html.erb
@@ -1,3 +1,3 @@
 <%= render 'notifications_mailer/shared/hello', recipient: @recipient %>
 
-<p><%= t('.body.new_project_published') %> "<%= link_to @attached_object.name, "#{root_url}#!/projects/#{@attached_object.id}" %>"</p>
+<p><%= t('.body.new_project_published') %> "<%= link_to @attached_object.name, "#{root_url}#!/projects/#{@attached_object.slug}" %>"</p>
diff --git a/app/views/notifications_mailer/notify_project_author_when_collaborator_valid.html.erb b/app/views/notifications_mailer/notify_project_author_when_collaborator_valid.html.erb
index c5141f2fc..1ea34bed0 100644
--- a/app/views/notifications_mailer/notify_project_author_when_collaborator_valid.html.erb
+++ b/app/views/notifications_mailer/notify_project_author_when_collaborator_valid.html.erb
@@ -1,3 +1,3 @@
 <%= render 'notifications_mailer/shared/hello', recipient: @recipient %>
 
-<p><%= t('.body.the_member') %> <%= @attached_object.user.profile.full_name %> <%= t(".body.accepted_your_invitation_to_take_part_in_the_project" ) %> <strong><em><%= link_to @attached_object.project.name, "#{root_url}#!/projects/#{@attached_object.project.id}" %></em></strong>.</p>
+<p><%= t('.body.the_member') %> <%= @attached_object.user.profile.full_name %> <%= t(".body.accepted_your_invitation_to_take_part_in_the_project" ) %> <strong><em><%= link_to @attached_object.project.name, "#{root_url}#!/projects/#{@attached_object.project.slug}" %></em></strong>.</p>
diff --git a/app/views/notifications_mailer/notify_project_collaborator_to_valid.html.erb b/app/views/notifications_mailer/notify_project_collaborator_to_valid.html.erb
index 1bb99907c..26e5a72ce 100644
--- a/app/views/notifications_mailer/notify_project_collaborator_to_valid.html.erb
+++ b/app/views/notifications_mailer/notify_project_collaborator_to_valid.html.erb
@@ -1,5 +1,5 @@
 <%= render 'notifications_mailer/shared/hello', recipient: @recipient %>
 
-<p><%= t(".body.your_are_invited_to_take_part_in_a_project") %> <strong><em><%= link_to @attached_object.project.name, "#{root_url}#!/projects/#{@attached_object.project.id}" %></em></strong>.</p>
+<p><%= t(".body.your_are_invited_to_take_part_in_a_project") %> <strong><em><%= link_to @attached_object.project.name, "#{root_url}#!/projects/#{@attached_object.project.slug}" %></em></strong>.</p>
 
 <p><%= t(".body.to_accept_the_invitation_click_on_following_link") %> <%= link_to "#{root_url}project_collaborator/#{@attached_object.valid_token}", "#{root_url}project_collaborator/#{@attached_object.valid_token}" %></p>