diff --git a/db/newsgroup.sql b/db/newsgroup.sql
index 4fceaec..5f18afe 100644
--- a/db/newsgroup.sql
+++ b/db/newsgroup.sql
@@ -9,9 +9,9 @@ create table newsgroup (
 
 create table newsgroup_message (
     id           INTEGER PRIMARY KEY NOT NULL,
+    created_on   DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
     newsgroup_id INTEGER NOT NULL,
     message_id   TEXT NOT NULL UNIQUE,
-    created_on   DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
     sender       TEXT NOT NULL,
     subject      TEXT NOT NULL,
     content      TEXT NOT NULL,