diff --git a/config/config.exs b/config/config.exs
index 54de8fa9f..17d15256f 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -274,7 +274,7 @@ config :pleroma, :instance,
   account_field_name_length: 512,
   account_field_value_length: 2048,
   external_user_synchronization: true,
-  extended_nickname_format: false
+  extended_nickname_format: true
 
 config :pleroma, :feed,
   post_title: %{