diff --git a/ansible/roles/authelia-for-dokuwiki/templates/authelia-client-conf.json.j2 b/ansible/roles/authelia-for-dokuwiki/templates/authelia-client-conf.json.j2
index e5450b2..2605a0f 100644
--- a/ansible/roles/authelia-for-dokuwiki/templates/authelia-client-conf.json.j2
+++ b/ansible/roles/authelia-for-dokuwiki/templates/authelia-client-conf.json.j2
@@ -12,5 +12,6 @@
 		"email",
 		"profile",
 		"groups"
-	]
+	],
+	"token_endpoint_auth_method": "client_secret_post"
 }