diff --git a/lacommunaute/forum_conversation/models.py b/lacommunaute/forum_conversation/models.py
index a00249f60..82dac428e 100644
--- a/lacommunaute/forum_conversation/models.py
+++ b/lacommunaute/forum_conversation/models.py
@@ -59,8 +59,8 @@ class Topic(AbstractTopic):
 
     tags = TaggableManager()
 
-    def get_absolute_url(self):
-        return reverse(
+    def get_absolute_url(self, with_fqdn=False):
+        absolute_url = reverse(
             "forum_conversation:topic",
             kwargs={
                 "forum_pk": self.forum.pk,
@@ -70,6 +70,12 @@ def get_absolute_url(self):
             },
         )
 
+        # for tasks context, when we don't have access to request
+        if with_fqdn:
+            return f"{settings.COMMU_PROTOCOL}://{settings.COMMU_FQDN}{absolute_url}"
+
+        return absolute_url
+
     @property
     def poster_email(self):
         return self.first_post.username or self.first_post.poster.email
diff --git a/lacommunaute/forum_conversation/tests/tests_models.py b/lacommunaute/forum_conversation/tests/tests_models.py
index a1422c682..fae4576a7 100644
--- a/lacommunaute/forum_conversation/tests/tests_models.py
+++ b/lacommunaute/forum_conversation/tests/tests_models.py
@@ -1,3 +1,4 @@
+from django.conf import settings
 from django.core.exceptions import ValidationError
 from django.db import IntegrityError
 from django.test import TestCase
@@ -98,6 +99,10 @@ def test_get_absolute_url(self):
                 },
             ),
         )
+        self.assertEqual(
+            topic.get_absolute_url(with_fqdn=True),
+            f"{settings.COMMU_PROTOCOL}://{settings.COMMU_FQDN}{topic.get_absolute_url()}",
+        )
 
     def test_poster_email(self):
         topic = TopicFactory(with_post=True)