diff --git a/emacs.d/mail.org b/emacs.d/mail.org
index ce94ff2..5bf2fab 100644
--- a/emacs.d/mail.org
+++ b/emacs.d/mail.org
@@ -260,6 +260,7 @@ cross-referencing externally, such as =Message-ID=.
                                   "^To:"
                                   "^[BGF]?Cc:"
                                   "^Posted-To:"
+                                  "^List-Id:"
                                   "^Mail-Copies-To:"
                                   "^Mail-Followup-To:"
                                   "^Apparently-To:"