diff --git a/lib/nntp/tiny/db.py b/lib/nntp/tiny/db.py
index 044f0af..7459772 100644
--- a/lib/nntp/tiny/db.py
+++ b/lib/nntp/tiny/db.py
@@ -87,7 +87,9 @@ class Database():
                 if column != table.key:
                     values.append(getattr(obj, column))
 
-        self.db.execute(sql, values)
+        cr = self.db.execute(sql, values)
+
+        setattr(obj, table.key, cr.lastrowid)
 
     def query_sql(self, table, sql, values=list()):
         cr = DatabaseTableCursor(table, self.db.cursor())