diff --git a/src/download/admin_links.py b/src/download/admin_links.py
index 4041854..b26d14d 100644
--- a/src/download/admin_links.py
+++ b/src/download/admin_links.py
@@ -222,19 +222,30 @@ def cmd_fix_x_media(_: argparse.Namespace) -> None:
     with db.connect() as conn:
         rows = conn.execute(
             """
-            SELECT id, url_original FROM links
+            SELECT id, user_name, url_original FROM links
             WHERE url_original LIKE '%x.com/%//media%'
             """
         ).fetchall()
         for row in rows:
             fixed = row["url_original"].replace("//media", "/media")
+            norm = db.normalize_url(fixed)
+            conflict = conn.execute(
+                """
+                SELECT id FROM links
+                WHERE user_name = ? AND url_normalized = ? AND id != ?
+                """,
+                (row["user_name"], norm, row["id"]),
+            ).fetchone()
+            if conflict:
+                conn.execute("DELETE FROM links WHERE id = ?", (row["id"],))
+                continue
             conn.execute(
                 """
                 UPDATE links
                 SET url_original = ?, url_normalized = ?, updated_at = CURRENT_TIMESTAMP
                 WHERE id = ?
                 """,
-                (fixed, db.normalize_url(fixed), row["id"]),
+                (fixed, norm, row["id"]),
             )
         conn.commit()
     print("ok")