diff --git a/mysql/my.cnf b/mysql/my.cnf
index 5db6392..618f269 100644
--- a/mysql/my.cnf
+++ b/mysql/my.cnf
@@ -37,7 +37,7 @@ ft_min_word_len = 4
 
 log_bin = mysql-bin
 binlog_format = mixed
-expire_logs_days = 7
+binlog_expire_logs_seconds = 604800
 
 default_storage_engine = InnoDB