diff --git a/config/dev.exs b/config/dev.exs
index a90ac0d..17b4ce1 100644
--- a/config/dev.exs
+++ b/config/dev.exs
@@ -97,6 +97,6 @@ config :mv, :rauthy,
   redirect_uri: "http://localhost:4000/auth/user/rauthy/callback"
 
 # AshAuthentication development configuration
-config :mv, :session_identifier, nil
+config :mv, :session_identifier, :jti
 
 config :mv, :require_token_presence_for_authentication, true
diff --git a/config/runtime.exs b/config/runtime.exs
index 0ce1643..e8ab249 100644
--- a/config/runtime.exs
+++ b/config/runtime.exs
@@ -56,7 +56,7 @@ if config_env() == :prod do
   config :mv, :rauthy, redirect_uri: "http://localhost:4000/auth/user/rauthy/callback"
 
   # AshAuthentication production configuration
-  config :mv, :session_identifier, nil
+  config :mv, :session_identifier, :jti
 
   config :mv, :require_token_presence_for_authentication, true