diff --git a/mastodon_email_bridge/mastodon_email_bridge.py b/mastodon_email_bridge/mastodon_email_bridge.py
index c96bb6a..77e172c 100755
--- a/mastodon_email_bridge/mastodon_email_bridge.py
+++ b/mastodon_email_bridge/mastodon_email_bridge.py
@@ -236,7 +236,7 @@ class MastodonEmailBridge:
         conn.quit()
         self._log.debug("Adding entry to database...")
         cur = self.sqlite.cursor()
-        res = cur.execute("SELECT id FROM sent_items WHERE id =?", data['id'])
+        res = cur.execute("SELECT id FROM sent_items WHERE id = ?", (data['id']))
         rows = res.fetchall()
         if len(rows) == 0:
             cur.execute(f"INSERT INTO sent_items (id, date) VALUES ({data['id']}, {time.time()})")