diff --git a/matrix/buffer.py b/matrix/buffer.py
index 7cc305e..8501ed5 100644
--- a/matrix/buffer.py
+++ b/matrix/buffer.py
@@ -1084,6 +1084,8 @@ class RoomBuffer(object):
             short_name = shorten_sender(user.user_id[9:])
         elif user.user_id.startswith("@_ircnet_"):
             short_name = shorten_sender(user.user_id[8:])
+        elif user.user_id.startswith("@_oftc_"):
+            short_name = shorten_sender(user.user_id[6:])
         elif user.user_id.startswith("@gitter_"):
             short_name = shorten_sender(user.user_id[7:])