diff --git a/data/conf/dovecot/dovecot.conf b/data/conf/dovecot/dovecot.conf
index 9284d2cf8..c61d9a1b6 100644
--- a/data/conf/dovecot/dovecot.conf
+++ b/data/conf/dovecot/dovecot.conf
@@ -241,8 +241,8 @@ plugin {
   mail_crypt_global_public_key = </mail_crypt/ecpubkey.pem
   mail_crypt_save_version = 2
 
-  # Enable compression while saving, zstd Dovecot v2.3.17+
-  zlib_save = zstd
+  # Enable compression while saving, lz4 Dovecot v2.3.17+
+  zlib_save = lz4
 
   mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename
   mail_log_fields = uid box msgid size