diff --git a/chatmaild/src/chatmaild/doveauth.py b/chatmaild/src/chatmaild/doveauth.py
index bebd7629..79e82a46 100644
--- a/chatmaild/src/chatmaild/doveauth.py
+++ b/chatmaild/src/chatmaild/doveauth.py
@@ -107,7 +107,7 @@ def lookup_passdb(db, config: Config, user, cleartext_password):
             # Update last login time.
             conn.execute(
                 "UPDATE users SET last_login=? WHERE addr=?",
-                (round(int(time.time()) // 86400), user),
+                (int(time.time() // 86400), user),
             )
 
             userdata["home"] = f"/home/vmail/mail/{config.mail_domain}/{user}"