diff --git a/conf/defaults.ini b/conf/defaults.ini
index eb8debc0094..01d3f378aeb 100644
--- a/conf/defaults.ini
+++ b/conf/defaults.ini
@@ -344,6 +344,7 @@ header_property = username
 auto_sign_up = true
 ldap_sync_ttl = 60
 whitelist =
+headers =
 
 #################################### Auth LDAP ###########################
 [auth.ldap]