diff --git a/config/packages/framework.yaml b/config/packages/framework.yaml
index ba6fcdbb9109cc80e9306392d400ab9179d4ab62..13ca4e115e9046afff45d287868b778eb463fa27 100644
--- a/config/packages/framework.yaml
+++ b/config/packages/framework.yaml
@@ -9,6 +9,7 @@ framework:
     # Enables session support. Note that the session will ONLY be started if you read or write from it.
     # Remove or comment this section to explicitly disable session support.
     session:
+        name: BALEXSESSID # un nom de session pour chaque appli évite les conflits de cookies/session qui provoquent les erreurs "Jeton CSRF invalide"
         handler_id: null
         cookie_secure: auto
         cookie_samesite: lax