diff --git a/youtube_dl/extractor/pbs.py b/youtube_dl/extractor/pbs.py
index 761bd6d8d..143a76696 100644
--- a/youtube_dl/extractor/pbs.py
+++ b/youtube_dl/extractor/pbs.py
@@ -187,6 +187,7 @@ class PBSIE(InfoExtractor):
             else:
                 formats.append({
                     'url': format_url,
+                    'format_id': redirect.get('eeid'),
                 })
         self._sort_formats(formats)