diff --git a/cds_migrator_kit/videos/weblecture_migration/transform/xml_processing/rules/video_lecture.py b/cds_migrator_kit/videos/weblecture_migration/transform/xml_processing/rules/video_lecture.py
index 4b599bd6..37eed184 100644
--- a/cds_migrator_kit/videos/weblecture_migration/transform/xml_processing/rules/video_lecture.py
+++ b/cds_migrator_kit/videos/weblecture_migration/transform/xml_processing/rules/video_lecture.py
@@ -199,6 +199,13 @@ def format_field(val):
     nonpublic_note = value.get("x")
     if nonpublic_note:
         url_file["url_file"]["nonpublic_note"] = nonpublic_note
+    # Ignore broken preprint urls
+    # Ignore CDS file URLs they're already added in the files field
+    if url and (
+        "preprints.cern.ch" in url
+        or f"/cds.cern.ch/record/{self['recid']}/files" in url
+    ):
+        raise IgnoreKey("url_files")
     return url_file