diff --git a/home/thunderbird/default.nix b/home/thunderbird/default.nix
index 3e63b89..9ef3820 100644
--- a/home/thunderbird/default.nix
+++ b/home/thunderbird/default.nix
@@ -2,7 +2,12 @@
 {
   programs.thunderbird = {
     enable = true;
-    #settings = { mailnews.wraplength = 80; };
+    settings = {
+      "mailnews.wraplength" = 80;
+      "mail.pane_config.dynamic" = 2;
+      "mail.biff.play_sound" = false;
+      "mail.chat.play_sound" = false;
+    };
     profiles.nico = {
       isDefault = true;
     };