diff --git a/mail_log.sql b/mail_log.sql
index 14071da..47dad49 100644
--- a/mail_log.sql
+++ b/mail_log.sql
@@ -6,7 +6,7 @@ CREATE TABLE `messages` (
     `remote_host` varchar(255) default NULL,
     `remote_info` varchar(255) default NULL,
     `sender` varchar(255) default NULL,
-    `subject` text,
+    `subject` varchar(255) default NULL,
     `header_size` int(11) default NULL,
     `body_size` int(11) default NULL,
     `spam_status` float default NULL,