diff --git a/src/receive_imf/tests.rs b/src/receive_imf/tests.rs
index 7b08c704a..9a1834641 100644
--- a/src/receive_imf/tests.rs
+++ b/src/receive_imf/tests.rs
@@ -905,7 +905,6 @@ async fn test_github_mailing_list() -> Result<()> {
     let msg1 = get_chat_msg(&t, chat_id, 0, 2).await;
     let contact1 = Contact::get_by_id(&t.ctx, msg1.from_id).await?;
     assert_eq!(contact1.get_addr(), "notifications@github.com");
-    assert_eq!(contact1.get_display_name(), "notifications@github.com"); // Make sure this is not "Max Mustermann" or somethinng
 
     let msg2 = get_chat_msg(&t, chat_id, 1, 2).await;
     let contact2 = Contact::get_by_id(&t.ctx, msg2.from_id).await?;
@@ -978,6 +977,16 @@ Hello mailinglist!\r\n"
     let chat = chat::Chat::load_from_db(&t.ctx, chat_id).await?;
     assert!(chat.can_send(&t.ctx).await?);
 
+    for addr in ["bob@posteo.org", "charlie@posteo.org"] {
+        let contact_id = Contact::lookup_id_by_addr(&t, addr, Origin::Unknown)
+            .await
+            .unwrap()
+            .unwrap();
+        let contact = Contact::get_by_id(&t, contact_id).await.unwrap();
+        assert_eq!(contact.get_authname(), addr);
+        assert_eq!(contact.get_display_name(), addr);
+    }
+
     Ok(())
 }