From 9bc525f579e7fc0994ed6f82dcb405cf6f40047b Mon Sep 17 00:00:00 2001
From: link2xt <link2xt@testrun.org>
Date: Fri, 4 Nov 2022 23:30:56 +0000
Subject: [PATCH] Fix mailinglist test

---
 src/receive_imf.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/receive_imf.rs b/src/receive_imf.rs
index 9b97ce032..dc48c5d66 100644
--- a/src/receive_imf.rs
+++ b/src/receive_imf.rs
@@ -1912,7 +1912,7 @@ async fn apply_mailinglist_changes(
             if list_post != old_list_post {
                 // Apparently the mailing list is using a different List-Post header in each message.
                 // Make the mailing list read-only because we would't know which message the user wants to reply to.
-                chat.param.set(Param::ListPost, "");
+                chat.param.remove(Param::ListPost);
                 chat.update_param(context).await?;
             }
         } else {