diff --git a/taiga/projects/issues/templates/emails/create_issue_notification-body-html.jinja b/taiga/projects/issues/templates/emails/create_issue_notification-body-html.jinja
index cd3b6708..29dc64e5 100644
--- a/taiga/projects/issues/templates/emails/create_issue_notification-body-html.jinja
+++ b/taiga/projects/issues/templates/emails/create_issue_notification-body-html.jinja
@@ -1,6 +1,6 @@
 {% extends "emails/base.jinja" %}
 
-{% set final_url = resolve_front_url("issue", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("issue", object.project.slug, object.ref) %}
 {% set final_url_name = "Taiga - View issue #{0}".format(object.ref) %}
 
 {% block body %}
diff --git a/taiga/projects/issues/templates/emails/create_issue_notification-body-text.jinja b/taiga/projects/issues/templates/emails/create_issue_notification-body-text.jinja
index b6cf51bd..257e41cf 100644
--- a/taiga/projects/issues/templates/emails/create_issue_notification-body-text.jinja
+++ b/taiga/projects/issues/templates/emails/create_issue_notification-body-text.jinja
@@ -1,4 +1,4 @@
-{% set final_url = resolve_front_url("issue", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("issue", object.project.slug, object.ref) %}
 {% set final_url_name = "Taiga - View issue #{0}".format(object.ref) %}
 
 - Project: {{ object.project.name }}
diff --git a/taiga/projects/issues/templates/emails/update_issue_notification-body-html.jinja b/taiga/projects/issues/templates/emails/update_issue_notification-body-html.jinja
index 52142f26..70e6d57a 100644
--- a/taiga/projects/issues/templates/emails/update_issue_notification-body-html.jinja
+++ b/taiga/projects/issues/templates/emails/update_issue_notification-body-html.jinja
@@ -1,6 +1,6 @@
 {% extends "emails/base.jinja" %}
 
-{% set final_url = resolve_front_url("issue", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("issue", object.project.slug, object.ref) %}
 {% set final_url_name = "Taiga - View issue #{0}".format(object.ref) %}
 
 {% block body %}
diff --git a/taiga/projects/issues/templates/emails/update_issue_notification-body-text.jinja b/taiga/projects/issues/templates/emails/update_issue_notification-body-text.jinja
index 74dee2df..5f68badb 100644
--- a/taiga/projects/issues/templates/emails/update_issue_notification-body-text.jinja
+++ b/taiga/projects/issues/templates/emails/update_issue_notification-body-text.jinja
@@ -1,4 +1,4 @@
-{% set final_url = resolve_front_url("issue", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("issue", object.project.slug, object.ref) %}
 {% set final_url_name = "Taiga - View issue #{0}".format(object.ref) %}
 
 - Project: {{ object.project.name }}
diff --git a/taiga/projects/milestones/templates/emails/create_milestone_notification-body-html.jinja b/taiga/projects/milestones/templates/emails/create_milestone_notification-body-html.jinja
index de8ea77f..1470717f 100644
--- a/taiga/projects/milestones/templates/emails/create_milestone_notification-body-html.jinja
+++ b/taiga/projects/milestones/templates/emails/create_milestone_notification-body-html.jinja
@@ -1,6 +1,6 @@
 {% extends "emails/base.jinja" %}
 
-{% set final_url = resolve_front_url("taskboard", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("taskboard", object.project.slug, object.slug) %}
 {% set final_url_name = "Taiga - View milestone #{0}".format(object.slug) %}
 
 {% block body %}
diff --git a/taiga/projects/milestones/templates/emails/create_milestone_notification-body-text.jinja b/taiga/projects/milestones/templates/emails/create_milestone_notification-body-text.jinja
index 286565df..a12024f9 100644
--- a/taiga/projects/milestones/templates/emails/create_milestone_notification-body-text.jinja
+++ b/taiga/projects/milestones/templates/emails/create_milestone_notification-body-text.jinja
@@ -1,4 +1,4 @@
-{% set final_url = resolve_front_url("taskboard", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("taskboard", object.project.slug, object.slug) %}
 {% set final_url_name = "Taiga - View milestone #{0}".format(object.slug) %}
 
 - Project: {{ object.project.name }}
diff --git a/taiga/projects/milestones/templates/emails/update_milestone_notification-body-html.jinja b/taiga/projects/milestones/templates/emails/update_milestone_notification-body-html.jinja
index 2d6f187f..43f03021 100644
--- a/taiga/projects/milestones/templates/emails/update_milestone_notification-body-html.jinja
+++ b/taiga/projects/milestones/templates/emails/update_milestone_notification-body-html.jinja
@@ -1,6 +1,6 @@
 {% extends "emails/base.jinja" %}
 
-{% set final_url = resolve_front_url("taskboard", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("taskboard", object.project.slug, object.slug) %}
 {% set final_url_name = "Taiga - View milestone #{0}".format(object.slug) %}
 
 {% block body %}
diff --git a/taiga/projects/milestones/templates/emails/update_milestone_notification-body-text.jinja b/taiga/projects/milestones/templates/emails/update_milestone_notification-body-text.jinja
index f025c482..5f41acbf 100644
--- a/taiga/projects/milestones/templates/emails/update_milestone_notification-body-text.jinja
+++ b/taiga/projects/milestones/templates/emails/update_milestone_notification-body-text.jinja
@@ -1,4 +1,4 @@
-{% set final_url = resolve_front_url("taskboard", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("taskboard", object.project.slug, object.slug) %}
 {% set final_url_name = "Taiga - View milestone #{0}".format(object.slug) %}
 
 - Project: {{ object.project.name }}
diff --git a/taiga/projects/tasks/templates/emails/create_task_notification-body-html.jinja b/taiga/projects/tasks/templates/emails/create_task_notification-body-html.jinja
index d3c83736..e4122675 100644
--- a/taiga/projects/tasks/templates/emails/create_task_notification-body-html.jinja
+++ b/taiga/projects/tasks/templates/emails/create_task_notification-body-html.jinja
@@ -1,6 +1,6 @@
 {% extends "emails/base.jinja" %}
 
-{% set final_url = resolve_front_url("task", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("task", object.project.slug, object.ref) %}
 {% set final_url_name = "Taiga - View task #{0}".format(object.ref) %}
 
 {% block body %}
diff --git a/taiga/projects/tasks/templates/emails/create_task_notification-body-text.jinja b/taiga/projects/tasks/templates/emails/create_task_notification-body-text.jinja
index 0d3d26b9..231473be 100644
--- a/taiga/projects/tasks/templates/emails/create_task_notification-body-text.jinja
+++ b/taiga/projects/tasks/templates/emails/create_task_notification-body-text.jinja
@@ -1,4 +1,4 @@
-{% set final_url = resolve_front_url("task", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("task", object.project.slug, object.ref) %}
 {% set final_url_name = "Taiga - View task #{0}".format(object.ref) %}
 
 - Project: {{ object.project.name }}
diff --git a/taiga/projects/tasks/templates/emails/update_task_notification-body-html.jinja b/taiga/projects/tasks/templates/emails/update_task_notification-body-html.jinja
index c3c206c9..490d8beb 100644
--- a/taiga/projects/tasks/templates/emails/update_task_notification-body-html.jinja
+++ b/taiga/projects/tasks/templates/emails/update_task_notification-body-html.jinja
@@ -1,6 +1,6 @@
 {% extends "emails/base.jinja" %}
 
-{% set final_url = resolve_front_url("task", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("task", object.project.slug, object.ref) %}
 {% set final_url_name = "Taiga - View task #{0}".format(object.ref) %}
 
 {% block body %}
diff --git a/taiga/projects/tasks/templates/emails/update_task_notification-body-text.jinja b/taiga/projects/tasks/templates/emails/update_task_notification-body-text.jinja
index 25c72f87..c8181cfa 100644
--- a/taiga/projects/tasks/templates/emails/update_task_notification-body-text.jinja
+++ b/taiga/projects/tasks/templates/emails/update_task_notification-body-text.jinja
@@ -1,4 +1,4 @@
-{% set final_url = resolve_front_url("task", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("task", object.project.slug, object.ref) %}
 {% set final_url_name = "Taiga - View task #{0}".format(object.ref) %}
 
 - Project: {{ object.project.name }}
diff --git a/taiga/projects/templates/emails/create_project_notification-body-html.jinja b/taiga/projects/templates/emails/create_project_notification-body-html.jinja
index d2da449b..a45dbab3 100644
--- a/taiga/projects/templates/emails/create_project_notification-body-html.jinja
+++ b/taiga/projects/templates/emails/create_project_notification-body-html.jinja
@@ -1,4 +1,4 @@
-{% set final_url = resolve_front_url("project-admin", object.id) %}
+{% set final_url = resolve_front_url("project-admin", object.slug) %}
 {% set final_url_name = "Taiga - View Project #{0}".format(object.slug) %}
 
 {% block body %}
diff --git a/taiga/projects/templates/emails/create_project_notification-body-text.jinja b/taiga/projects/templates/emails/create_project_notification-body-text.jinja
index f379070d..af278212 100644
--- a/taiga/projects/templates/emails/create_project_notification-body-text.jinja
+++ b/taiga/projects/templates/emails/create_project_notification-body-text.jinja
@@ -1,4 +1,4 @@
-{% set final_url = resolve_front_url("project-admin", object.id) %}
+{% set final_url = resolve_front_url("project-admin", object.slug) %}
 {% set final_url_name = "Taiga - View Project #{0}".format(object.slug) %}
 
 - Project #{{ object.slug }}: {{ object.name }}
diff --git a/taiga/projects/templates/emails/update_project_notification-body-html.jinja b/taiga/projects/templates/emails/update_project_notification-body-html.jinja
index 096afd1e..7c19e109 100644
--- a/taiga/projects/templates/emails/update_project_notification-body-html.jinja
+++ b/taiga/projects/templates/emails/update_project_notification-body-html.jinja
@@ -1,6 +1,6 @@
 {% extends "emails/base.jinja" %}
 
-{% set final_url = resolve_front_url("project-admin", object.id) %}
+{% set final_url = resolve_front_url("project-admin", object.slug) %}
 {% set final_url_name = "Taiga - View Project #{0}".format(object.slug) %}
 
 {% block body %}
diff --git a/taiga/projects/templates/emails/update_project_notification-body-text.jinja b/taiga/projects/templates/emails/update_project_notification-body-text.jinja
index 949dcb24..cbe39067 100644
--- a/taiga/projects/templates/emails/update_project_notification-body-text.jinja
+++ b/taiga/projects/templates/emails/update_project_notification-body-text.jinja
@@ -1,4 +1,4 @@
-{% set final_url = resolve_front_url("project-admin", object.id) %}
+{% set final_url = resolve_front_url("project-admin", object.slug) %}
 {% set final_url_name = "Taiga - View Project #{0}".format(object.slug) %}
 
 - Project #{{ object.slug }}: {{ object.name }}
diff --git a/taiga/projects/userstories/templates/emails/create_userstory_notification-body-html.jinja b/taiga/projects/userstories/templates/emails/create_userstory_notification-body-html.jinja
index 1819d34b..8e530f34 100644
--- a/taiga/projects/userstories/templates/emails/create_userstory_notification-body-html.jinja
+++ b/taiga/projects/userstories/templates/emails/create_userstory_notification-body-html.jinja
@@ -1,6 +1,6 @@
 {% extends "emails/base.jinja" %}
 
-{% set final_url = resolve_front_url("userstory", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("userstory", object.project.slug, object.ref) %}
 {% set final_url_name = "Taiga - View US #{0}".format(object.ref) %}
 
 {% block body %}
diff --git a/taiga/projects/userstories/templates/emails/create_userstory_notification-body-text.jinja b/taiga/projects/userstories/templates/emails/create_userstory_notification-body-text.jinja
index 8027dfd7..4caa83a4 100644
--- a/taiga/projects/userstories/templates/emails/create_userstory_notification-body-text.jinja
+++ b/taiga/projects/userstories/templates/emails/create_userstory_notification-body-text.jinja
@@ -1,4 +1,4 @@
-{% set final_url = resolve_front_url("userstory", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("userstory", object.project.slug, object.ref) %}
 {% set final_url_name = "Taiga - View US #{0}".format(object.ref) %}
 
 - Project: {{ object.project.name }}
diff --git a/taiga/projects/userstories/templates/emails/update_userstory_notification-body-html.jinja b/taiga/projects/userstories/templates/emails/update_userstory_notification-body-html.jinja
index 5cfb1f3c..e8222e79 100644
--- a/taiga/projects/userstories/templates/emails/update_userstory_notification-body-html.jinja
+++ b/taiga/projects/userstories/templates/emails/update_userstory_notification-body-html.jinja
@@ -1,6 +1,6 @@
 {% extends "emails/base.jinja" %}
 
-{% set final_url = resolve_front_url("userstory", object.project.id, object.id) %}
+{% set final_url = resolve_front_url("userstory", object.project.slug, object.ref) %}
 {% set final_url_name = "Taiga - View US #{0}".format(object.ref) %}
 
 {% block body %}
diff --git a/taiga/projects/userstories/templates/emails/update_userstory_notification-body-text.jinja b/taiga/projects/userstories/templates/emails/update_userstory_notification-body-text.jinja
index 170a9698..83a02d53 100644
--- a/taiga/projects/userstories/templates/emails/update_userstory_notification-body-text.jinja
+++ b/taiga/projects/userstories/templates/emails/update_userstory_notification-body-text.jinja
@@ -1,4 +1,4 @@
-{% set final_url = resolve_front_url("userstory", object.project.id, object.id)  %}
+{% set final_url = resolve_front_url("userstory", object.project.slug, object.ref)  %}
 {% set final_url_name = "Taiga - View US #{0}".format(object.ref) %}
 
 - Project: {{ object.project.name }}