diff --git a/get_peertube_videos/get_peertube_videos.py b/get_peertube_videos/get_peertube_videos.py
index 2eea697..3516fa9 100644
--- a/get_peertube_videos/get_peertube_videos.py
+++ b/get_peertube_videos/get_peertube_videos.py
@@ -91,7 +91,7 @@ class GetPeertubeVideos:
                         "Attachment without file size. %s",
                         attachment
                     )
-                if attachment[size_field] > selected[size_field]:
+                if int(attachment[size_field]) > int(selected[size_field]):
                     selected = attachment
             if 'url' not in selected:
                 self._log.error(