diff --git a/modules/home/programs/thunderbird.nix b/modules/home/programs/thunderbird.nix
index cd9481e..e4d50eb 100644
--- a/modules/home/programs/thunderbird.nix
+++ b/modules/home/programs/thunderbird.nix
@@ -66,7 +66,7 @@ in {
         realName = "Max Känner";
         imap = {
           host = "mxe96b.netcup.net";
-          port = 143;
+          port = 993;
           tls = {
             enable = true;
             useStartTls = false;