diff --git a/src/discord_irc.rs b/src/discord_irc.rs
index b2bbab2..7557135 100644
--- a/src/discord_irc.rs
+++ b/src/discord_irc.rs
@@ -272,6 +272,7 @@ async fn discord_to_irc_processing(
     regex! {
         static PING_RE_1 = r"<@([0-9]+)>";
         static PING_RE_2 = r"<@!([0-9]+)>";
+        static PING_RE_3 = r"\{@([0-9]+)\}";
         static EMOJI_RE = r"<:(\w+):[0-9]+>";
         static CHANNEL_RE = r"<#([0-9]+)>";
         static ROLE_RE = r"<@&([0-9]+)>";
@@ -317,6 +318,9 @@ async fn discord_to_irc_processing(
         )
         .into_owned();
 
+    // switch brackets of unknown pings
+    computed = PING_RE_1.replace_all(&computed, "{@$1}").into_owned();
+
     computed = {
         #[allow(clippy::enum_glob_use)]
         use pulldown_cmark::{Event::*, Tag::*};
@@ -380,5 +384,8 @@ async fn discord_to_irc_processing(
         new
     };
 
+    // switch them back
+    computed = PING_RE_3.replace_all(&computed, "<@$1>").into_owned();
+
     computed
 }