diff --git a/canaille/oidc/templates/partial/client_list.html b/canaille/oidc/templates/partial/client_list.html
index f8ae1a89..d114ec96 100644
--- a/canaille/oidc/templates/partial/client_list.html
+++ b/canaille/oidc/templates/partial/client_list.html
@@ -22,7 +22,7 @@
                 </td>
                 <td><a href="{{ url_for('oidc.clients.edit', client=client) }}">{{ client.client_name }}</a></td>
                 <td><a href="{{ client.client_uri }}">{{ client.client_uri }}</a></td>
-                <td>{% if client.client_id_issued_at %}{{ client.client_id_issued_at }}{% endif %}</td>
+                <td>{% if client.client_id_issued_at %}{{ client.client_id_issued_at.strftime("%d/%m/%Y %H:%M:%S") }}{% endif %}</td>
             </tr>
         {% else %}
             <tr>
diff --git a/demo/demoapp.py b/demo/demoapp.py
index 845bfcc5..f57d6542 100644
--- a/demo/demoapp.py
+++ b/demo/demoapp.py
@@ -1,3 +1,4 @@
+import datetime
 import os
 import sys
 
@@ -100,6 +101,7 @@ def populate(app):
             users.save()
 
             client1 = models.Client(
+                client_id_issued_at=datetime.datetime.utcnow(),
                 client_id="1JGkkzCbeHpGtlqgI5EENByf",
                 client_secret="2xYPSReTQRmGG1yppMVZQ0ASXwFejPyirvuPbKhNa6TmKC5x",
                 client_name="Client1",
@@ -118,6 +120,7 @@ def populate(app):
             client1.save()
 
             client2 = models.Client(
+                client_id_issued_at=datetime.datetime.utcnow(),
                 client_id="gn4yFN7GDykL7QP8v8gS9YfV",
                 client_secret="ouFJE5WpICt6hxTyf8icXPeeklMektMY4gV0Rmf3aY60VElA",
                 client_name="Client2",