diff --git a/src/config.rs b/src/config.rs
index 69d9219..b8aaaa0 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -22,6 +22,7 @@ pub struct TwitterConfig {
 #[derive(Debug, Deserialize)]
 pub struct MastodonConfig {
     pub twitter_screen_name: String,
+    pub mastodon_screen_name: Option<String>,
     pub twitter_page_size: Option<i32>,
     pub base: String,
     pub client_id: String,