diff --git a/db.py b/db.py
index 1488f7d..2e0306e 100644
--- a/db.py
+++ b/db.py
@@ -109,7 +109,7 @@ class DB(object):
             CREATE TABLE IF NOT EXISTS seen_tweets (
                 id          INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,
                 user_id     INTEGER,
-                tweet_id    TEXT,
+                tweet_id    INTEGER,
                 FOREIGN KEY(user_id) REFERENCES user(id)
             );
             CREATE TABLE IF NOT EXISTS seen_dms (