diff --git a/canaille/oidc/endpoints.py b/canaille/oidc/endpoints.py
index 00c4f861..a9d81711 100644
--- a/canaille/oidc/endpoints.py
+++ b/canaille/oidc/endpoints.py
@@ -2,7 +2,6 @@
 import uuid
 
 from authlib.integrations.flask_oauth2 import current_token
-from authlib.jose import JsonWebKey
 from authlib.jose import jwt
 from authlib.oauth2 import OAuth2Error
 from canaille import csrf
@@ -28,10 +27,9 @@
 from .oauth import authorization
 from .oauth import ClientConfigurationEndpoint
 from .oauth import ClientRegistrationEndpoint
-from .oauth import DEFAULT_JWT_ALG
-from .oauth import DEFAULT_JWT_KTY
 from .oauth import generate_user_info
 from .oauth import get_issuer
+from .oauth import get_jwks
 from .oauth import IntrospectionEndpoint
 from .oauth import require_oauth
 from .oauth import RevocationEndpoint
@@ -211,22 +209,7 @@ def client_registration_management(client_id):
 
 @bp.route("/jwks.json")
 def jwks():
-    kty = current_app.config["OIDC"]["JWT"].get("KTY", DEFAULT_JWT_KTY)
-    alg = current_app.config["OIDC"]["JWT"].get("ALG", DEFAULT_JWT_ALG)
-    jwk = JsonWebKey.import_key(
-        current_app.config["OIDC"]["JWT"]["PUBLIC_KEY"], {"kty": kty}
-    )
-    return jsonify(
-        {
-            "keys": [
-                {
-                    "use": "sig",
-                    "alg": alg,
-                    **jwk,
-                }
-            ]
-        }
-    )
+    return jsonify(get_jwks())
 
 
 @bp.route("/userinfo")
diff --git a/canaille/oidc/oauth.py b/canaille/oidc/oauth.py
index 9a6a1063..8b781f9c 100644
--- a/canaille/oidc/oauth.py
+++ b/canaille/oidc/oauth.py
@@ -2,6 +2,7 @@
 
 from authlib.integrations.flask_oauth2 import AuthorizationServer
 from authlib.integrations.flask_oauth2 import ResourceProtector
+from authlib.jose import JsonWebKey
 from authlib.oauth2.rfc6749.grants import (
     AuthorizationCodeGrant as _AuthorizationCodeGrant,
 )
@@ -66,7 +67,7 @@ def get_issuer():
     return request.url_root
 
 
-def get_jwt_config(grant):
+def get_jwt_config(grant=None):
     return {
         "key": current_app.config["OIDC"]["JWT"]["PRIVATE_KEY"],
         "alg": current_app.config["OIDC"]["JWT"].get("ALG", DEFAULT_JWT_ALG),
@@ -75,6 +76,23 @@ def get_jwt_config(grant):
     }
 
 
+def get_jwks():
+    kty = current_app.config["OIDC"]["JWT"].get("KTY", DEFAULT_JWT_KTY)
+    alg = current_app.config["OIDC"]["JWT"].get("ALG", DEFAULT_JWT_ALG)
+    jwk = JsonWebKey.import_key(
+        current_app.config["OIDC"]["JWT"]["PUBLIC_KEY"], {"kty": kty}
+    )
+    return {
+        "keys": [
+            {
+                "use": "sig",
+                "alg": alg,
+                **jwk,
+            }
+        ]
+    }
+
+
 def claims_from_scope(scope):
     claims = {"sub"}
     if "profile" in scope: