diff --git a/teams/wg-mir-opt.toml b/teams/wg-mir-opt.toml
index 0960bd104..7025e0793 100644
--- a/teams/wg-mir-opt.toml
+++ b/teams/wg-mir-opt.toml
@@ -18,3 +18,6 @@ zulip-stream = "t-compiler/wg-mir-opt"
 [permissions]
 perf = true
 bors.rust.try = true
+
+[[zulip-groups]]
+name = "WG-mir-opt"