diff --git a/app/models/comment.py b/app/models/comment.py
index 385507e..e9834d1 100644
--- a/app/models/comment.py
+++ b/app/models/comment.py
@@ -2,6 +2,7 @@ from app import db
 from app.models.post import Post
 from sqlalchemy.orm import backref
 
+
 class Comment(Post):
     __tablename__ = 'comment'
     __mapper_args__ = {'polymorphic_identity': __tablename__}
@@ -14,11 +15,11 @@ class Comment(Post):
 
     # Parent thread
     thread_id = db.Column(db.Integer, db.ForeignKey('thread.id'),
-        nullable=False)
+                          nullable=False)
     thread = db.relationship('Thread',
         backref=backref('comments', lazy='dynamic'),
         foreign_keys=thread_id)
-        
+
 
     def __init__(self, author, text, thread):
         """
diff --git a/app/routes/forum/topic.py b/app/routes/forum/topic.py
index 173e066..6a3f2e3 100644
--- a/app/routes/forum/topic.py
+++ b/app/routes/forum/topic.py
@@ -1,17 +1,17 @@
 from flask_login import current_user
-from flask import request, redirect, url_for, flash, abort
+from flask import redirect, url_for, flash, abort
 
 from app import app, db
 from config import V5Config
 from app.utils.render import render
 from app.forms.forum import CommentForm, AnonymousCommentForm
-from app.models.forum import Forum
-from app.models.topic import Topic
 from app.models.thread import Thread
 from app.models.comment import Comment
 from app.models.user import Guest
 from app.models.attachment import Attachment
 
+import datetime
+
 
 @app.route('/forum/<forum:f>/<topicpage:page>', methods=['GET', 'POST'])
 def forum_topic(f, page):
@@ -27,7 +27,7 @@ def forum_topic(f, page):
         form = AnonymousCommentForm()
 
     if form.validate_on_submit() and \
-        (V5Config.ENABLE_GUEST_POST or current_user.is_authenticated):
+            (V5Config.ENABLE_GUEST_POST or current_user.is_authenticated):
         # Manage author
         if current_user.is_authenticated:
             author = current_user
@@ -58,8 +58,8 @@ def forum_topic(f, page):
 
         flash('Message envoyé', 'ok')
         # Redirect to empty the form
-        return redirect(url_for('forum_topic', f=f, page=(t,"fin"),
-            _anchor=c.id))
+        return redirect(url_for('forum_topic', f=f, page=(t, "fin"),
+                                _anchor=c.id))
 
     # Update views
     t.views += 1
@@ -67,10 +67,12 @@ def forum_topic(f, page):
     db.session.commit()
 
     if page == -1:
-        page = (t.thread.comments.count() - 1) \
-            // Thread.COMMENTS_PER_PAGE + 1
+        page = (t.thread.comments.count() - 1) // Thread.COMMENTS_PER_PAGE + 1
 
     comments = t.thread.comments.paginate(page,
-        Thread.COMMENTS_PER_PAGE, True)
+                                          Thread.COMMENTS_PER_PAGE, True)
 
-    return render('/forum/topic.html', t=t, form=form, comments=comments)
+    now_minus = datetime.datetime.now() - datetime.timedelta(days=V5Config.NECROPOST_LIMIT)
+    last_updated_comment = t.thread.comments.filter(Comment.date_modified <= now_minus).first()
+
+    return render('/forum/topic.html', t=t, form=form, comments=comments, last=last_updated_comment)
diff --git a/app/templates/admin/members.html b/app/templates/admin/members.html
index e8d008f..ae9941d 100644
--- a/app/templates/admin/members.html
+++ b/app/templates/admin/members.html
@@ -35,7 +35,7 @@
 		{% for user in users %}
 			<tr><td><a href="{{ url_for('user_by_id', user_id=user.id) }}" title="Page de profil publique de {{ user.name }}">{{ user.name }}</a></td>
 					<td style="color: {{ 'red' if not user.email_confirmed else 'inherit' }};">{{ user.email }}</td>
-					<td style="text-align: center">{{ user.register_date | date('%Y-%d-%d') }}</td>
+					<td style="text-align: center">{{ user.register_date | date('%Y-%m-%d') }}</td>
 					<td>{% for g in user.groups %}
 						<span style="{{ g.css }}">{{ g.name }}</span>
 						{{ ', ' if not loop.last }}
diff --git a/app/templates/forum/topic.html b/app/templates/forum/topic.html
index 3c48fda..8353ae5 100644
--- a/app/templates/forum/topic.html
+++ b/app/templates/forum/topic.html
@@ -19,6 +19,13 @@
 
     {{ widget_pagination.paginate(comments, 'forum_topic', t, {'f': t.forum}) }}
 
+    {% if last %}
+    <div class="bg-warn">
+        Ce topic est sans activité depuis plus de X jours, êtes-vous sûr de vouloir y poster ?
+        {{ last }}
+    </div>
+    {% endif %}
+
     {% if current_user.is_authenticated or V5Config.ENABLE_GUEST_POST %}
     <div class=form>
         <h3>Commenter le sujet</h3>
diff --git a/config.py b/config.py
index 4248053..7110ba9 100644
--- a/config.py
+++ b/config.py
@@ -4,6 +4,7 @@ try:
     from local_config import LocalConfig
 except ImportError:
     print("   \033[92mWARNING: Local config not found\033[0m")
+
     class LocalConfig():
         pass
 
@@ -25,6 +26,7 @@ class Config(object):
     # Do not attach cookies to cross-origin requests
     SESSION_COOKIE_SAMESITE = "Lax"
 
+
 class DefaultConfig(object):
     """Every value here can be overrided in the local_config.py class"""
     # Domain
@@ -50,6 +52,9 @@ class DefaultConfig(object):
     # GLaDOS configuration
     GLADOS_HOST = "127.0.0.1"
     GLADOS_PORT = 5555
+    # Time in days before trigerring the nec
+    NECROPOST_LIMIT = 31
+
 
 class V5Config(LocalConfig, DefaultConfig):
     # Values put here cannot be overidden with local_config