diff --git a/canaille/oidc/configuration.py b/canaille/oidc/configuration.py
index 525759d8..d94cbfe7 100644
--- a/canaille/oidc/configuration.py
+++ b/canaille/oidc/configuration.py
@@ -102,5 +102,5 @@ class OIDCSettings(BaseModel):
     This adds security but may not be supported by all clients.
     """
 
-    JWT: Optional[JWTSettings] = None
+    JWT: JWTSettings = JWTSettings()
     """JSON Web Token settings."""
diff --git a/demo/conf-docker/canaille-ldap.toml b/demo/conf-docker/canaille-ldap.toml
index 30904ced..970522d8 100644
--- a/demo/conf-docker/canaille-ldap.toml
+++ b/demo/conf-docker/canaille-ldap.toml
@@ -1,4 +1,5 @@
 SECRET_KEY = "change me before you go in production"
+DEBUG = true
 
 [CANAILLE]
 NAME = "Canaille"
diff --git a/demo/conf-docker/canaille-memory.toml b/demo/conf-docker/canaille-memory.toml
index 019654a9..55242258 100644
--- a/demo/conf-docker/canaille-memory.toml
+++ b/demo/conf-docker/canaille-memory.toml
@@ -1,4 +1,5 @@
 SECRET_KEY = "change me before you go in production"
+DEBUG = true
 
 [CANAILLE]
 NAME = "Canaille"
diff --git a/demo/conf-docker/canaille-sql.toml b/demo/conf-docker/canaille-sql.toml
index 7fdd6d36..98d6392c 100644
--- a/demo/conf-docker/canaille-sql.toml
+++ b/demo/conf-docker/canaille-sql.toml
@@ -1,4 +1,5 @@
 SECRET_KEY = "change me before you go in production"
+DEBUG = true
 
 [CANAILLE]
 NAME = "Canaille"
diff --git a/demo/conf/canaille-ldap.toml b/demo/conf/canaille-ldap.toml
index 00d6dec8..bd91326b 100644
--- a/demo/conf/canaille-ldap.toml
+++ b/demo/conf/canaille-ldap.toml
@@ -1,4 +1,5 @@
 SECRET_KEY = "change me before you go in production"
+DEBUG = true
 
 [CANAILLE]
 LOGO = "/static/img/canaille-head.webp"
diff --git a/demo/conf/canaille-memory.toml b/demo/conf/canaille-memory.toml
index ebd92af5..c9fba0b6 100644
--- a/demo/conf/canaille-memory.toml
+++ b/demo/conf/canaille-memory.toml
@@ -1,4 +1,5 @@
 SECRET_KEY = "change me before you go in production"
+DEBUG = true
 
 [CANAILLE]
 LOGO = "/static/img/canaille-head.webp"
diff --git a/demo/conf/canaille-sql.toml b/demo/conf/canaille-sql.toml
index 6ce39b77..30749a1c 100644
--- a/demo/conf/canaille-sql.toml
+++ b/demo/conf/canaille-sql.toml
@@ -1,4 +1,5 @@
 SECRET_KEY = "change me before you go in production"
+DEBUG = true
 
 [CANAILLE]
 LOGO = "/static/img/canaille-head.webp"