diff --git a/api/api/models/media.py b/api/api/models/media.py
index dbf8978c687..788aff51b00 100644
--- a/api/api/models/media.py
+++ b/api/api/models/media.py
@@ -125,6 +125,11 @@ def license_url(self) -> str | None:
 
         if self.meta_data and (url := self.meta_data.get("license_url")):
             return url
+
+        logger.warning(
+            f"The {self.__class__.__name__.lower()} with identifier={self.identifier} "
+            f"has no `license_url` in `meta_data`."
+        )
         try:
             return License(self.license.lower(), self.license_version).url
         except ValueError: