diff --git a/youmubot-cf/src/announcer.rs b/youmubot-cf/src/announcer.rs
index 3729423..e324990 100644
--- a/youmubot-cf/src/announcer.rs
+++ b/youmubot-cf/src/announcer.rs
@@ -58,11 +58,11 @@ fn update_user(
     cfu.rating = info.rating;
 
     let mut send_message = |rc: RatingChange| -> CommandResult {
-        let (contest, _, _) =
-            codeforces::Contest::standings(reqwest, rc.contest_id, |f| f.limit(1, 1))?;
         let channels =
             channels_list.get_or_insert_with(|| channels.channels_of(http.clone(), user_id));
-        for channel in channels {
+            if channels.is_empty() { return Ok(()); }
+          let (contest, _, _) =
+            codeforces::Contest::standings(reqwest, rc.contest_id, |f| f.limit(1, 1))?;      for channel in channels {
             if let Err(e) = channel.send_message(http.http(), |e| {
                 e.content(format!("Rating change for {}!", user_id.mention()))
                     .embed(|c| {