diff --git a/src/libkernelbot/leaderboard_db.py b/src/libkernelbot/leaderboard_db.py
index 5c9552cc..d452c6bd 100644
--- a/src/libkernelbot/leaderboard_db.py
+++ b/src/libkernelbot/leaderboard_db.py
@@ -378,12 +378,11 @@ def update_heartbeat_if_active(self, sub_id: int, ts: datetime.datetime) -> None
             self.cursor.execute(
                 """
                 UPDATE leaderboard.submission_job_status
-                SET last_heartbeat = %s,
-                    updated_at = %s
+                SET last_heartbeat = %s
                 WHERE submission_id = %s
                 AND status IN ('pending','running')
                 """,
-                (ts, ts, sub_id),
+                (ts, sub_id),
             )
             self.connection.commit()
         except psycopg2.Error as e: